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Millennials nearing 40 are sharing their biggest mistakes so everyone can learn from them

Here are 21 of the most powerful responses.

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via Pexels

Millennials are now old enough to seriously reflect on life.

It seems like only yesterday a millennial was a college kid that baby boomers chided for being entitled and Gen Xers thought were way too sincere and needed to learn how to take a joke. Today, the oldest millennials, those born around 1980, have hit their 40s and have lived long enough to have some serious regrets.

They also have enough experience to take some pride in decisions that, in hindsight, were the right moves. The good news is that at 40 there is still plenty of time to learn from our successes and failures to set ourselves up for a great second half of life. These lessons are also valuable to the Gen Zers coming up who can avoid the pitfalls of the older generation.

A Reddit user who has since deleted their profile asked millennials nearing 40 “what were your biggest mistakes at this point in life?” and they received more than 2,200 responses. The biggest regrets these millennials have are being flippant about their health and not saving enough money when they were younger.

They also realized that the carefree days of youth are fleeting and impossible to get back. So they should have spent less time working and more time enjoying themselves. Many also lamented that they should have taken their education more seriously in their 20s so they have more opportunities now.

The responses to this thread are bittersweet. It's tough hearing people come to grips with their regrets but the realizations are also opportunities to grow. Hopefully, some younger people will read this thread and take the advice to heart.

Here are 21 of the most powerful responses to the question: “Millennials of Reddit now nearing your 40s, what were your biggest mistakes at this point in life?”

1.

"Not taking care of my hearing, not even 35 and going deaf." — Kusanagi8811

2.

"Not getting healthy earlier." — zombiearchivist

3.

"Staying too long at a job in my 20s, just because it was safe and easy. When I finally got the motivation to leave, ended up with an almost 50% pay boost." — Hrekires

4. 

"Thinking that I could and should put myself on the back burner for anything and anyone else." — lenalilly227

5.

"Smoking and not dealing with my shit the right way." — Allenrw3

6.

"Pining after the wrong person." — runikepisteme

7.

"I turned 40 this year and just started liking who I am. Why the fuck did it take 40 years for self acceptance?" — guscallee

8.


"Take care of your fucking back. Lift with your knees. Sure it's rad when you grab a fridge by yourself and lift it in the back of a moving truck unaided, but one day that shit is going to have consequences that won't just magically go away by resting and "taking it easy" for a week." — GuyTallman

9.

"I wish I spent more time with my dad while I had the chance." — CharlieChooper

10.

"I'm 37. I absolutely could have taken better care of my body, but I'm in relatively good health. I'm starting to realize how important it is to maintain my health. I do also think I drank far too much in my 20 and early 30's. I'm trying to rectify that now, but it's hard. So that I guess." — dartastic

11.


"I'm not sure if people have experienced the same but when I entered my 30s I became convinced I was rapidly running out of time. Rather than using that as motivation I let it paralyze me with indecision because I "couldn't afford to make the wrong choice." Consequently, I'm now 39 and, though I've had great things happen in my 30s, I regret spending so much time worrying and so little time committing to a course of action." — tomwaste

12.

"Work to live, don’t live to work. You have half your working life after you turn 40 but only 20-25 years to really live it up before the responsibilities become heavy and your joints start to ache. Live life. Really LIVE it. Experience as much you can. Every sensation, sight, sound, touch. Be open. Be brave. Live your first few decades in the fast lane. You have the rest of your life to take it easy, when you have no choice." — MrDundee666

13.

"I should have paid more attention to my parents telling me to save money and less attention when they were teaching me about purity culture." — Arkie_MTB

14.

"If I could tell my 18 year old self one thing, it would be to save 10% of every paycheck I ever got." — PutAForkInHim

15.

"Thinking that I have time to do everything I want only to find myself loosing time, and the endless energy I used to have in order to purse them." — ezZiioFTW

16.

"Not wearing sunscreen." — blueboxreddress

17.

"Not recognizing the importance of work/life balance earlier in life. My late teens, all 20's, and early 30's were spent pulling 60-100+hr weeks because I thought it was what was required to succeed. How wrong I was. Others stabbed me in the back and reaped the reward.

1.) Putting work first for too long. Work is my #1 priority during work hours now. After quitting time, I don't think about it (much) anymore. I don't vent to my wife or friends about it anymore either.

2.) Investing more into fast cars than solid long-term investments. Sure, it was fun, but I could have made bookoos more had I put that towards less-fun investments.

3.) Not using PTO and just waiting for the payout. All those years, missed. I'm in my mid 30's and I didn't actually have a real vacation until 3 years ago.

4.) Not realizing that "the good guy" often loses. Just because you're morally justified doesn't mean you're going to win. Just because there's a number to call doesn't mean anyone will actually help you. Just because "law" exists, doesn't mean people follow it, enforce it, or create justice. The world is dog eat dog and cynicism can be healthy in moderate doses." — [Deleted]

18.

"When you get out of college, keep your friends. No matter how hard it is. Hold on to them." — mpssss22

19.

"I imagine these are kinda universal:

  • Not getting fit and healthy
  • Assuming I'd be offered proper guidance on how to achieve my goals
  • Assuming higher education would help me achieve my goals
  • Spending far too long caring what people think
  • Not taking risks that might better my life when I was younger and had nothing to lose
  • Staying in relationships too long after they were clearly done." — katapultperson

20.

"Always ask for more pay. Starting, yearly, before leaving, whatever. Get that money." — SensibleReply

21.

"Spending too much time in front of a screen and not enough enjoying life." — BellaPadella


This article originally appeared two years ago.

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Science

Her groundbreaking theory on the origin of life was rejected 15 times. Then biology proved her right.

Lynn Margulis had the audacity to challenge Darwin. And we're lucky she did.

lynn margulis, lynn margulis symbiosis, biology, scientific breakthroughs, darwin, darwinism, women in science
Facts That Will Blow Your Mind/Facebook

A photo of Lynn Margulis.

Throughout her prolific and distinguished career, biologist Lynn Margulis made several groundbreaking contributions to science that we take for granted as common knowledge today. For example, she championed James E. Lovelock’s “Gaia concept,” which posited that the Earth self-regulates to maintain conditions for life.

But by far, her most notable theory was symbiogenesis. While it was first written off as “strange” and “aesthetically pleasing” but “not compelling,” it would ultimately prevail, and completely rewrite how we viewed the origin of life itself.

In the late 1960s, Margulis wrote a paper titled "On the Origin of Mitosing Cells," that was quite avant-garde. In it, she proposed a theory: that life evolved through organisms merging together to become inseparable.

In essence, cooperation is the driver of life, not competition and domination. This directly went against Darwin’s “survival of the fittest” principle that was considered gospel in scientific circles. Margulis’ paper was rejected by fifteen journals before getting accepted into the Journal of Theoretical Biology.

- YouTube www.youtube.com

Time would be on Margulis’ side, however. By the late ‘70s and early ‘80s, research proved that the two major building blocks of plants and animals, chloroplasts and mitochondria were at one time independent bacteria. This solidified the fact that on a biological level, connection trumps autonomy for longevity. And now that fact is written in textbooks, with no real story of the adversity it overcame to get there.

While it is customary for most new scientific theories to be met with criticism, especially those that completely shift the current narrative, many have noted that sexism played a key part in Margulis’ initial lack of acceptance. On more than one occasion, she herself had hinted that women were seen as mothers and wives first, and scientists second. She recalled that while married to fellow scientist Carl Sagan that “Carl would finish his sentence, unperturbed” while she was expected to “handle all the duties of a 1950s housewife, from washing dishes to paying the household bills.”

And yet, Margulis would have other ideas that were controversial that had nothing to do with her gender. Most famously, she did not believe that AIDS was caused by HIV, and instead believed it was cause by a syphilis-causing type of bacteria, despite there already being decades of research proving otherwise. That view was seen as an endorsement of AIDS denialism, which undermined prevention and treatment effort. Then later in life, Margulis became a vocal proponent of 9/11 conspiracy theories suggesting government involvement the in Twin Towers attacks.

And yet, perhaps this is one of those “you gotta take the good with the bad” situations. Margulis’ inherent contrarian nature gave us both these unfounded, even harmful stances, in addition to entirely new paradigms that altered our understanding of life itself.

And if nothing else, it illuminated the need for science to include multiple points of view in order to unlock the truth. It seems life is, after all, about coming together.

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Health

Most Americans agree bed sheets get 'gross' after 35 days. Experts say it's much sooner.

This is how often you should wash your sheets, according to experts.

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The rest of your bedding doesn't need to be washed as often.

There's nothing better than hopping into bed with clean sheets. But let's be honest: washing your sheets can be a pain. From stripping the bed to putting sheets back on post-washing, it's a chore. But you may want to re-think how often you should be washing your bed sheets.

According to a survey of 1,000 Americans conducted by Mattress Advisor, the average time between sheet changings or washings in the U.S. is 24 days—or every 3 1/2 weeks, approximately. The same survey revealed that 35 days is the average interval at which unwashed sheets are "gross."

If that sounds about right to you, prepare to be shocked. According to experts, you should be washing your sheets *a lot* sooner than that for hygiene reasons.

- YouTube www.youtube.com

How often should you wash your sheets?

Hint: It's a lot more frequent than 24 days.

While there is no definitive number of days or weeks, most experts recommend swapping out used sheets for clean ones every week or two.

Dermatologist Alok Vij, MD told Cleveland Clinic that people should wash their sheets at least every two weeks, but probably more often if you have pets, live in a hot climate, sweat a lot, are recovering from illness, have allergies or asthma, or if you sleep naked.

We shed dead skin all the time, and friction helps those dead skin cells slough off, so imagine what's happening every time you roll over and your skin rubs on the sheets. It's normal to sweat in your sleep, too, so that's also getting on your sheets. And then there's dander and dust mites and dirt that we carry around on us just from living in the world, all combining to make for pretty dirty sheets in a fairly short period of time, even if they look "clean."

Maybe if you shower before bed and always wear clean pajamas you could get by with a two-week sheet swap cycle, but weekly sheet cleaning seems to be the general consensus among the experts. The New York Times consulted five books about laundry and cleaning habits, and once a week was what they all recommend.

Sorry, once-a-monthers. You may want to step up your sheet game a bit.

sheets, bed sheets, clean sheets, how often should you wash your sheets, how often should you wash your bed sheets Experts agree that this is how often you should wash your bed sheets.Photo credit: Canva

What about the rest of your bedding? Blankets and comforters and whatnot?

Olivia Parks, Owner + Lead Organizer at Nola Organizers, told Upworthy that duvet covers should be cleaned every week or so.

"Even though the cover protects the insert, the insert still collects body odor, sweat, body oils from lotions or other body products, crumbs if you eat in your bed, dog hair or cat hair, and more," she explained.

Somewhere between the Gen X and Millennial eras, young folks stopped being about the top sheet life, just using their duvet with no top sheet. If that's you, wash that baby once a week. If you do use a top sheet, you can go a couple weeks longer on the duvet cover.

For blankets and comforters and duvet inserts, Sleep.com says every 3 months. And for decorative blankets and quilts that you don't really use, once a year washing will suffice.

What about pillows? Pillowcases should go in with the weekly sheet washing, but pillows themselves should be washed every 3 to 6 months. Washing pillows can be a pain, and if you don't do it right, you can end up with a lumpy pillow, but it's a good idea because between your sweat, saliva and skin cells, pillows can start harboring bacteria.

@suzieqssss

Baking soda absorbs moisture and or odor and breaks down any residue that builds up! If you have allergies you should be doing this more often! #cleaning #lifehack #tiktokshopcybermonday #tiktokshopblackfriday #mattressvacuumcleaner

Finally, how about the mattress itself? Home influencers on TikTok can often be seen stripping their beds, sprinkling their mattress with baking soda, brushing it into the mattress fibers and then vacuuming it all out. Architectural Digest says the longer you leave baking soda on the mattress, the better—at least a few hours, but preferably overnight. Some people add a few drops of essential oil to the baking soda for some extra yummy smell.

If that all sounds like way too much work, maybe just start with the sheets. Pick a day of the week and make it your sheet washing day. You might find that climbing into a clean, fresh set of sheets more often is a nice way to feel pampered without a whole lot of effort.

This article originally appeared two years ago. It has been updated.

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15 years ago, a Russian gymnast was interrupted by her 2-year-old daughter. It became a historic performance.

"This is beyond beautiful. 🥲"

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Svetlana Putintseva with her daughter Masha.

In 2005 at only 18 years old, Russian rhythmic gymnast Svetlana Putintseva became a world champion, after which she retired and eventually became a mom. Then, in 2011, Putintseva came out of retirement for one special Gala performance.

Little did anyone know that her then two-year-old daughter named Masha would be the key to making that performance so special.

As the story goes, the young child refused to leave her side that night. But rather than stopping the performance, Putintseva did what so many incredible moms do: she masterfully held space for two different identities.

As we see in the video below, Putintseva simply brought Masha onto the dance floor and incorporated her into the routine—holding and comforting her at times, performing impressive moves while she ran around at others…letting it all become a lively, endearing interaction rather than a rote routine. It became something really touching:

Watch:

Now, a bit of fact-checking as this video has once again started going viral. Despite what many captions say, Putintseva‘s daughter was likely always a planned part of the performance (the tiny leotard is a bit of a giveaway). But that doesn’t really take away from the message behind it: motherhood weaves another soul into one's identity, forever. And one of the biggest lessons it teaches is how to hold someone else steady, all while becoming ourselves.

Every day, moms are engaging in a similar type of “dance”: navigating through the world while guiding and nurturing their little ones. It probably doesn't always feel quite as graceful as what Putintseva put out, and, yet, it is just as beautiful.

dance, motherhood, mommy daughter dance, mother daughter relationship, parenting, wholesome A mother hugging her daughter.Photo credit: Canva

Maybe so many thought it was an improvised moment because improvising is a very real parent superpower. That’s certainly the takeaway we get from some of these lovely comments:

“You cannot control life but you can learn to dance with it. 🤍”

"This is beyond beautiful. 🥲"

“If this isn't a metaphor for motherhood. We improvise so much.”

“A mother’s unconditional love 🥹❤️ She just made my whole month.”

“I do this sometimes while deejaying. My daughter comes up so I hit the slicer and let her chop it up. A few chops and she is happy and goes about her business. 🥰”

“I can see my daughter doing this to me soon whenever I get up on stage on perform. She already stares long and hard at me whenever I am onnstage singing. She doesn't take her eyes off me. Sure she would be running up to stand with me when she starts walking 😂😂 i look forward to it tho”

“Sobbing 😭😭😭😭 As a dancer who hasn’t performed since having a kid, this inspires me in so many ways 🥹🥹 So beautiful and it’s clear that she admires her mom so much 🥰”

- YouTube www.youtube.com

Though not much is written on Putintseva following this performance, one blog post says that Masha has followed in her footsteps by getting into rhythmic gymnastics. Maybe it all started with this one performance. ❤️

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Pets

A girl's pet pig ate her homework. Teachers were stunned when mom sent them video proof.

"Okay, I have to admit this is a first for me!"

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An Arizona girl claimed "My pig ate my homework!" Luckily, she had proof.

Believe it or not, "the dog ate my homework" excuse is over 100 years old. The first known anecdote involving a dog eating important documents came about around 1905. A professor was later recorded in 1929 writing, "It is a long time since I have had the excuse about the dog tearing up the arithmetic homework," suggesting the phrase had been around for some time.

In the century since, teachers the world over have heard every variation of excuse about why a student can't turn in their homework. But, in 2026, we may have fortuitously stumbled on a new one most teachers have never dreamed of.

Jacey Tinsley, a mom from Arizona, recently posted a story to social media that has to be seen to be believed. In the now viral post, she explains that her daughter Taylee was unable to turn in her homework for multiple subjects... because their pet pig ate it.

Yes, the Tinsleys have racked up quite a following on social media documenting life with their three mini-pigs, so it is certainly in the realm of possibility that one of the pigs could have gotten into Taylee's homework.

But would the teachers buy it?

Luckily, Tinsley was able to catch the whole thing on video via indoor Ring cam. In the footage, their pig Polly is caught red-handed snatching the backpack off of the counter, dragging it to the floor, and rifling through it—destroying several papers in the process. Tinsley took the initiative to email her daughter's teachers and school administrators with the indisputable photographic evidence.

Jacey Tinsley took full accountability for her daughter's missing work. "If/when you see any work that's partially eaten/chewed, that is 100% on us, not Taylee," she confessed.

Then, she hoped for the best.

The school staffers had no choice but to accept Jacey's ludicrous tale, and they got quite a kick out of it, too.

Taylee's principal was first to reply: "Okay, I have to admit this is a first for me!! I'm trying not to laugh hysterically..."

The science teacher chimed in next: "This is a first time in my teacher career to hear this and I find it hilarious."

The math teacher was a person of few words: "Oh my goodness, that is so funny."

Over two million people viewed the reel on Instagram and TikTok combined. Commenters were delighted by the ridiculous footage and had plenty of their own hard-to-believe stories of lost homework:

"I turned in homework once that was half eaten by my rabbits but all the answers weren't eaten so I got an A"

"That happened with my piggy she ate three page, so I sent a picture of our piggy Then the damn teacher wanted me to bring her to show and tell her"

"Had a classmate who brought in his homework that was literally eaten by his dog. My teacher thought it was so funny that he displayed the chewed up paper on his wall"

"My baby sister ate my homework once. I wish I was joking"

"My dog ate my homework which was a book I picked to read and it was about lying and saying that your dog ate your homework. I told my teacher and got yelled at so my Dad had to come in with the torn up book to prove I wasnt lying"

If there's anything to learn from the massive response to Tinsley's post, it's that, sometimes, the dog really does eat your homework. And if not the dog, then the rabbit, cat, or even pig.

Pigs can make terrific pets in the right home. They are surprisingly intelligent, playful, affectionate, and can be trained to do many of the tricks and tasks dogs can do.

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Pigs can, however, be quite destructive. Because they're so smart, any hint of boredom can drive them into a frenzy of activity; a favorite activity of many pigs is rooting. Rooting is when they use their powerful snout to push and dig at the ground—or whatever items happen to be around (like a backpack that smells like yesterday's lunch). It's an instinctual behavior that calms them and helps them find snacks.

Taylee got lucky this time that the whole incident was caught on camera. "The pig ate my homework," doesn't seem like the kind of excuse that's going to fly more than once without proof.

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'Remarkable' UPS driver runs into burning home to save 101-year-old woman

"I just did what I thought was right."

ups driver, ups, hero, house fire, elderly woman, orange county, california, local news, good news, ktla
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A delivery driver with a determined expression; a house on fire.

Fate often tests our courage at the most unexpected times. For UPS driver Willy Esquivel, that moment came on January 15 while he was completing a delivery in Orange County, California.

According to KTLA, Esquivel was on his routine route in Santa Ana when he noticed neighbors attempting to smother a blaze coming from the condo of Ann Edwards, a 101-year-old woman who lives alone.

Esquivel wasted no time entering the smoke-filled building to rescue Edwards, who seemed "very disoriented" and reluctant to leave. Nevertheless, Esquivel "picked her up and carried her safely outside," according to KTLA and a statement from the Orange County Fire Authority (OFCA).

A video posted on the OFCA's X account showed just how thick the smoke was pouring from Edwards' condo as firefighters arrived. The OFCA also acknowledged the resourceful neighbors who aided in the rescue.

"At the same time, the neighbors used fire extinguishers to knock down the kitchen fire," the OCFA wrote on X. "One of them, a roofer by trade, grabbed his ladder, climbed to the roof, and used a garden hose to spray water into the kitchen vent."

Thankfully, while Edwards was taken to the hospital, she was expected to make a full recovery. Her son, Rick, told KTLA that he was grateful to Esquivel for "sticking with her and getting her out of there."

As for Esquivel, rather than seeing himself as a hero, he told KTLA that he was "just a UPS driver who was in the right place at the right time."

"I just did what I thought was right," he added. "At the end of the day, she's someone's mother, someone's grandmother, great-grandmother."

- YouTube www.youtube.com

Moments like this rarely announce themselves ahead of time. They unfold in the middle of ordinary days, on familiar streets, while people are simply doing their jobs or moving through their routines. Delivery drivers like Esquivel travel through neighborhoods every day, often unnoticed, yet uniquely positioned to sense when something is wrong. On this day, being present and paying attention made all the difference.

Just as striking as Esquivel's bravery was the way neighbors instinctively sprang into action. Without hesitation, they grabbed fire extinguishers, ladders, and garden hoses, each contributing whatever they had in the moment. Together, their quick thinking and collaboration helped prevent an even greater tragedy.

"A remarkable outcome made possible by quick action, teamwork, and people looking out for one another in a moment of need," the OCFA wrote on X.

It's easy to assume someone else will step in. That it's not your fight. That it's not your responsibility. Heroism requires the opposite mindset. And at a time when the world can feel increasingly short on that quality, this story is a refreshing reminder that yes, there are still good people out there willing to help, even when it means helping complete strangers while on the job.

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