If you regret pushing someone away, wouldn't it make sense to tell them and try to get them back? If you regret saying awful things, wouldn't it make sense to apologize? I don't understand how anyone can feel remorse yet just sit there and hold it in when they have the capability to reverse the damage. I always follow through when I feel regret, and it always works out. Often, it's just misunderstanding and miscommunication. What is the big deal?