Guys, why is he trying to make me jealous?

My friend, we are friends with benefits. He always trys to make me jealous. He was even flirting with a girl infront of me then later when we were alone he kept telling you were sooo jealous and kept laughing. And sometimes he talks like were a couple. This one time he was telling he didn't like PDA he was like I dont like when couples are all lovey dovey in public, im ok if its us alone. As if we're a couple? and another time he was regaurding to the place we were sitting at as this is for couples its suppose to be romantic. I dont get him. I talked to him and he told me he didn't have any feelings for me and he told me not to fall for him and not to get attached because he will only hurt me. So im doing as he said and we're only friends with benifits. Im confused does he have feelings for me or not?
Guys, why is he trying to make me jealous?
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