PLEASE HELP ME WITH THIS!!!!?

Does he want me or is he playing head games…My ex-boyfriend is making my life hell …..Imp 23 years old and he 18 years old and 2 weeks ago me and him got into a huge over something really stupid ….And I try texting him to say I was sorry ….. And he text me back by saying “its over leave me the hell alone” ….“I thought I blocked you“… “for the love of god get out my life talking to you again was mistake I know that now you’re a nut case“….. “I don’t like you I never liked you I tried to make something work but I can’t stand you“…. And he call me stupid we been together for 5 months… and now he dating one my best friends and she rubbing is my face but saying “ you made cause I like him ??” …. And this over a dumb stupid fight we had he making look like I kill someone or something…I really care about him alot!!!!! …But he has done this before to me without giving me a real answer to why he dumping me …Please someone help me …is this guy confused or he just playing with my head I need some help with this one