I hate life...

After being single for about 2 years after getting out a relationship of 3 years. I decided that i shouldn`t and wouldn`t date again. after the end of junior year i fell for a girl who said she liked me. in the beggining everything was fine. she was clingy which i loved and then she started falling for her ex again. she left me after 2 months and went back to him, had sex with him, and then left him for me. after about 2 more months of dating we had sex and she wasnt as clingy the whole time. i drew her pictures, wrote her songs, gave her flowers. after she decided not to care i started acting like a douche thinking i could possibly get her to care. slowly after that she started questioning how much time we spend together, even when we did hang out we hardly talked or anything. just the other day after trying to talk to her she ignored me all day and broke up with me via facebook. she says she wants to be friends and ive been too much of a dick. i told her im sorry and i can make things work. but she drove of