okay so have a problem please help...

i fell in love with this guy, and alot of things happened, i mean alot i cant even explain it all, but now he moved to florida b,c of reasons and truth came out and he had his friend who he also had feeling for, and now hes with her and he live down south and she lives up here, and it really sucks like i have no words b.c we went through all this stuff and now nothing, and he told me that he misses me and stuff and all i do is keep think ing about him and i miss him so much and my friends said i changed so much and idk what to doo...please hellp should i talk to him or just let this goo how ever hard it will be