Am I overreacting about this situation?

okay so my boyfriend and i have been together for a year. we were talking about gettting engaged, and even started going to marriage counseling with his pastor.he has spent the night over my house EVERYDAY since december.of course there were arguments, and a coupe of one-day seperations, that was fine. then all of a sudden we broke up last week because he said he couldn't "deal with my problems because he has his own." which i also understand. i did in fact start complaining a lot and acting very needy towards him. whenever we broke up he NEVER deleted me off his facebook or our pictures or changed his relationship status, but this time he did so i thought for sure we were over. the next day he comes over and apologizes to me and tells me he loves me and all of that. it's been a couple of days now but he still hasn't added me on his facebook or put in a relationshipand when i asked him about it he said it's not that serious and we both should have our own privacy and i shouldn't overreact. i'm just really confused because he's back to talking about spending our lives together, but now he never really wants to stay the night anymore or let me stay at his house which he shares with his sister, her boyfriend ans her children. im not sure for a fact, but i do know his sister and she would NEVER tolerate him having other females over so i dont think that's why he doesnt want me there anymore. i really need some advice on how to react to this.