I need a guy's advice! What is going on here?!?

I am not a guy but I thought I would express my opinion. It sounds like he is an abuser and may start being physically abusive to you if you don't get out. He could just be controlling and a jealous person who wants to control you. This is not healthy and I would try to find a way to get out without getting myself hurt. Next time you leave don't go back and remind him that he told you to leave and that if he really love you then he wouldn't do things to hurt you. He may threaten you and stalk you when you try to get out. He's going to blow your phone up and if he know where you live then he'll pop up if you stop answering his calls. Let me know what happens and if you need more advice. P.S. It will get worst if you stay.