Tuor stole my spotlight and made it even shorter. But I agree with him as well, but if what I wrote might help, go for it.
I think I can relate to some degree. My ex and I had the whole thing going on like you did. I was what, 17 and she was 15, almost 16. We had a great run, almost a year. She wanted a break and just like you, I was kind of confused and pissed and it showed. Eventually we both came to the agreement (more like she came to it, I had to just sit there and let it happen), and we pretty much broke up. She was and is very Christian and lives by it to the day. I personally, am not a very religious person and that's another story in itself. A week after we broke up, she found herself a nice Christian guy (go figure). Something about this just pissed me the hell off, something just stirred in me that I had never felt. I was hurt, broken, angry, the whole nine yards (I imagine you can relate?)
So some time later I still found myself in this same mind set. It literally took me about 5-6 months just to trust anyone, or let anyone near me. I had broken a few hearts on the way, sadly, as I've always tried to be a guy to make everyone smile. It took me another 2 months to even try and have another relationship. The fact of the matter is things happen, and as much as it hurts it can't be helped. Even if you know this yourself, it's a tough and painful experience. However, the best thing I figure is just to do the things you enjoy. Things like that are no quick fix, and the more you dwell on it, the longer it hurts.
I finally asked out another girl, and it's been great and I hope it stays that way. But the first thing you need to do is let go and enjoy some fun. Friends, midnight adventures through the town getting Taco Bell and playing video games, something you use to get away from stress. For me, aromatherapy, drawing, video games and especially skateboarding were my ways of doing this. It got my mind out off of her (everything else)
I GOT 'DEM HUMPS.
Doctress Who:You can be my Brony bitch ;D
Droctress Who:Jas, would you like me to make you a sandwich?
JesusChrist: Well if you insist Jasthn I'll use it with you. Spread them cheeks
Tragedy_and_Comedy: Jas is about as dangerous as a kitten.
Blood Lord:I hit your dog with mah truck. :3
Lenore Celestalis:*jumps on your back* weee~