Thanks for stopping by for Day 8 of Upworthy's 31 Days of Happiness Countdown! If this is your first visit, here's the gist: Each day between Dec. 1 and Dec. 31, we're sharing stories we hope will bring joy, smiles, and warmth into your life. It's been a challenging year for a lot of us, so why not end it on a high note with a bit of happiness? Check back tomorrow (or click the links at the bottom) for another installment!

When Butterscotch first went missing, all his humans were distraught — especially the pup's human dad.

The border-collie mix — dubbed "Butters" or "Bubbers" for short — went missing in the Las Vegas area on Nov. 25. Anyone who's gone through a similar experience knows this feeling all too well and can back me up here: having a pet go missing is sobbing-until-you-can't-feel-feelings devastating. You can almost feel the heartache in the "missing" poster Butters' humans shared online.

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