Why do guys keep you around, if they don’t want a relationship?

there’s this guy I’ve been seeing. in which we’re not in relationship and it’s not a friends with befits situation. It’s Basically just sex and fun. he’s very contradictory And blows Hot and cold most of the time.
he always calls the shots and says I don’t want a relationship, I’m passed the physical stuff and don’t what to repeat what it is we had. But Im happy to stay in touch. He says this every time he end things. Then he’s all flirty and suggestive and then gets a reaction from me and then he’s like I don’t want to start this again. Like it’s my fault

Why do guys keep you around, if they don’t want a relationship?
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