It was one of those idiotic things that could've been resolved in a split second. Tara had no right to touch Raphael, and once she did he had every right to punch her. She should've left it at that, and now she was dead because she didn't.
I have my own demons, my own pain and darkness, but I choose to embrace them and look at them head-on and deal with them. Then it doesn't hurt, and you learn from it.