I lost her for my pride and my negativity's

The lost a girl, not any girl the girl of my dreams. We went out for like 5 months I didn't appreciate her I didn't value her as much as I would have liked too. People would talk about her because they didn't like her being with me and those people were my friends. They would tell me how she used to behaved before with other guys. At the begging I would tell her and ask her about it she would tell me the truth and I had to doubt in her because I recently had started going out with her and I had no reason to not believed her. They would tell me stuff and it would bother me. It got to a point where I ended up breaking up with her for a month then I realized that I had made the worst mistake of my life and I convince her to become my girlfriend again and she did accept it after two weeks of me asking. Everything was fine and I was working on getting her trust back when all of the sudden she breaks up with me and tells me that she would never trust me ever again understand her and I tried to convince to get me a second chance to prove to her that I have change and I'm going to trust her completely. She didn't say anything all she said that she had made her trust. I've tried everything that it to my power to change her mind. I didn't fight for her didn't defend her and I'm going to regret that for the rest of my life because I love her more then anything more then I though I did. She said she doesn't want to talk to me any more. I guess all I can do is give her time to see if she trays to forgive me and give me a second chance, I will wait for her. So I need help on what else I could do to try to get her back or if its to late for us. Help I need it
I lost her for my pride and my negativity's
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