I can't tell what he wants?

This guy acts like we are together then we are just friends the next. He does it mostly after we have sex. He calls me names like cousin and sister even after we has sex. He constantly jokes about having a girlfriend and jokes about me having a boyfriend almost everyday. I told him if he has a girlfriend i will stop talking to him completely but he gets mad at me for not taking a joke. At one point i got mad at him and felt like he was talking to other women and he denied it and felt like i was gaslighting him. im really confused on what he wants and when i do ask him he flips it on me and tells me he wants whatever i want. I told him i wanted a relationship but he hasn't yet agreed or said anything about that.

I can't tell what he wants?
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