She thinks I cheated but I didn't and I don't know what to do
Me and my girlfriend (now ex) had been dating for about 8months and one day I get this email: I don't know if you were drunk or whatever but I know and would have thought you'd told me. Anyway not upset, just angry. Don't call, text, message me or anything - I don't want to know thanks.. so after talking to a friend that had spoken to her I found out that someone told her that I hooked up with someone at a party which I didn’t! She has since broken up with me and I miss her so much. I have been trying to think that maybe it’s for the best and that if she doesn’t believe me or trust me after months then it is for the best but I know deep down it’s not for the best because I love her so much and it was all going so well and I just don’t know what to do. To make it worse she’s a singer and she’s already written a song about it which just killed me and I don’t know what to do. Like it says I tried to plead my case to her but she wouldn’t text me back or email me back until she sent me an email telling me that even if I didn’t do anything it will always be in the back of her mind that it did and its better for us to break up. This isn't really a question I just need some advise.