It’s 2012, and some of us began the New Year newly single. While breaking up over the holidays can be devastating, it’s not the end of the world. Breakups hurt, and you should be allowed to grieve, but there are some mistakes that people make when dealing with a broken heart. If you just went through a painful breakup, here are some things NOT to do in the aftermath to help you find your way back to peace of mind after the end of a relationship.