What to do??? Need Advice..Help??

okay umm this is kinda long, but umm yea.. thers this guy who likes me right and im finally told that he likes me, but i didnt feel the same way but Ты know i thought he was ovver me but he dated my best friend and finally i kinda feel the same way,(like Ты know when someone likes Ты and Ты dont like them back but Ты know that person likes Ты and Ты start to grow feeling for that person, thats whats happening here) but hes still going out with my best friend but i tell him i like him and he still feels the same way, so after a while my freind fights with him and me just because i hang out with him sometimes, and she gets jealous because she knew he likes me and started telling me stuff and they both get into fights sometimes over me, so she breaks up with him and he asks me out so i say yes and my friend finds out, and give me these guilty threats so i break up with him the Далее день , and i tell him becasue shes giving suidice thoughts and i dont wana hurt myself again* but know i think i wana get back together with him.... shud i????