Just a personal opinion, but dating right now seems a bit quick to me. You seem to be letting your anger and resentment get the better part of you. It is easy to do. I have realized that it hurt me more then someone else.
It is a tough decision. I think the best advice I got was if you have any doubts don't give up. If your doubts are gone then you can walk away without any regrets.
Everything always works out the way it should. Even if you can't see it right now.
A warrior does not give up on what he loves, he finds the love in what he does