Is he jealous, joking, or in love?

I recently went on a date with someone, but I also have this man who I am friends with always make jokes about how he's gonna fight my date or asking me what he needs to do to win me over. There are lots of statements like that, but all in a joking manner.
Is he really actually joking? Or does he like me?
Is he jealous, joking, or in love?
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