Studies have shown that taking the time out of your day to help others can greatly increase your happiness. Helping those who are down on their luck allows you to realize just how good you have it. You’ll also feel great just knowing that you were able to lend a hand to another human being. We are social animals after all, despite what obsessive mobile device usage might imply.
12 Tricks That Will Instantly Improve Your Self-Esteem
Larry Kim

Cute. Plus it feels good.