Doctor's Note: this column was originally published on 9/18/17 It's not a stretch to say that dating is something of a contact sport. Signing up for it means that you're accepting that you might get hurt. Opening yourself up to people means being willing to risk a broken heart. No matter how carefully you plan or how much you try to protect yourself, eventually you're going to have to learn to deal with pain and rejection. Sometimes you see it bearing down on you like a freight train. Other t...