Are we together or just fwb since he's married...?

Hes nearly double my age, he came after me and kept asking for my number then we started texting and then dating and now were sleeping together He has no intention of leaving his wife. (who has apparently cheated on him in the past) I just got out of a relationship in June and i dont want another relationship for a long time. Im just having fun..he kind of fills the void. After we slept together the first time he said he felt guilty and he didnt know what he wanted and i said ok if you feel guilty we cant do this bye have a good life and i deleted his number. We didnt talk for 2 days and then he called and basically said it hurt him that could walk away so easy. so we kind of hooked back up. he keeps saying he wants nsa. but then he says were together. so I dont know whats going on in his head..sometimes he wants to take me out and then sometimes its just about . He says we cant go for too long because people fall in love then its out of control. so we cut down on the texting and stuff..but anyways i dont know what to do...im obviously very attracted to him and dont want it to end...hes confusing me though... ps im 22