Super-Interesting, Scientific Facts About Being In Love

As people get older, social isolation and loneliness become serious problems. Many find themselves living alone for the first time after the death of a spouse. It's also difficult for older people to maintain friendships when people they've known for years become ill or pass away.

Census Bureau figures say that almost a quarter of men and nearly 46% of women over the age of 75 live alone.

But loneliness doesn't just affect those who reside by themselves. People can feel lonely when there is a discrepancy between their desired and actual relationships. To put it simply, when it comes to having a healthy social life, quality is just as important as quantity.