I need help!

I have been "dating" or seeing this guy for 6 months now, he is 24 and I am 19. recently we have been having a lot of fights, because his ex-girlfriend has threaten and insulted me a couple of times. Recently I saw him this thursday, I went to his house to spend time. Suddenly we went from talking to having sex ( not the first time) while having sex he told me that we are just friends and after we had sex, he wanted to cuddle so I did as he pleased and suddenly he started saying: Oh imagine us living together, sleeping like this, watching news etc. So I kept my mouth shut and kept everything to myself. Then this Friday, I texted him that I did enjoy the time we spent together but that I dont like where this is heading. I dont like the fact of being friends with benefits etc and that I wan something real and serious with him. I sent him that and he didnt reply. So today I logged in on FaceBook, and noticed that he deleted me from his Facebook, now what does that mean? I really want to know whats really going. I like him and I do love him. What can I do in other to be back with him? P.S . In the first 4 months he wanted to meet my parents and was so secure of wanting something serious with me, I really dont know what made him change.