Right so I was with my boyfriend for 2 and a half years I'm almost 16. During that time he cheated on me twice and was sometime aggressive. Hes had a really bad childhood but I don't want things to be taken out on me. Its been 5 days since I broke up with him and at first I was OK until yesterday I started to get upset I have really mixed emotions an I want it all to go away sometimes he says everything will be OK and I think it will then it changes and I think he's going back. I don't even know if this makes sense but I am so confused I don't know what I want

This guy is a waste of your time. Getting over him will be difficult but not impossible. You deserve better. Just because he had/is having a rough childhood doesn't mean that he needs to take it out on you. Every experience is a life lesson, and the way you handle it makes you the person you are. If he chooses to let hard time get the best of him and take it out on others then stay away from him. Only surround yourself with positive people. Good luck!

If he says he has changed has he really or am I just being stupid I have really mixed emotions

He may believe that he has changed. But no matter the strength of your feelings for him, do you really believe that he'd never cheat on you again? He's already done it twice. And his excuse is his upbringing? BS! I wouldn't take this guy back for anything (if I were you). Just move on.

There is a great "sticky" at the top of the relationships forum that you should read. It's about all the steps of getting over someone. Great info!