I dont know what do to?

Ok well my bf dumped me not that long ago and like everyone else i can get him off my mind yet but a few days ago one of my friends told me he dumped me because he didn't want me to get hurt by his crazy life and that i deserve better then that (not true) but he told me when he dumped me that he just doesn't feel the same anymore but someone doesn't wake up one night and think Mmmm i don't feel the same way about my gf anymore but then ever since my bf or ex should i say dumped me one of my friends told he he really likes me but i don't like him that way and he has been sleeping with my best friend as well and he been leading her on and to be honest i think they should go out but hes so bend on going out with me (not going to happen) and now my best friend is like oh you should go out with him if he wont go out with me he should have the best you im like NO i don't WANT TO >=[ and then i have tons of other guy flirting with me i can stand it my heart doesn't belong to me at the moment it belongs to my ex still :( i still love him deeply please someone tell me how to fix this mess (this all happened in a week can i just say)