Why is he telling me about other girls?

I have a guy friend where things are kinda odd he'll flirt with me, be loving towards me, take me out etc. I've told him I'm attracted to him, but we're not together.

He keeps talking about girls messaging him or sending him nudes and then calling them whores?
I dont understand if he's trying to make me jelly or what. Why is he telling me these things? I figure if he was just wanting to brag he wouldn't be like "but she's a whore." after he says something about them.
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EDIT: I think I should add we're not together because I told him I'm not ready for a relationship yet, I had just gotten out of a abusive one when he started talking to me.
Why is he telling me about other girls?
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