I don't understand my babydaddy

So he swear he doesn't want to be in a relationship with me but still fucking me and last night he came all In me smh I know tmi I know I have a part to do with it but after we have sex I get really emotionally attached and then he starts tripping talking about I be doing to much this and that .. Then I told him I was putting him on child support because he could be doing more for his child that's 5 months then he turns around and starts saying oh I thought you wanted things to change blah blah blah ... So now Idk what to do I want to just say fuck it and do what I have to do but I don't want to hurt him but then again that nigga done hurt me so many times idk what kind of game he is playing but I'm sick of this shit