I don't get him. Why would he still think he has a change with me after that?

Anonymous
Him and I had fun for a couple of times. I told him what I want and he told me what he wants.
Then he changed his mind. But I already found out what kind of person he is. He has only empathy for himself. (Red flag)
So after all that.. he got in a relationship with someone else but in between all that, he still went after me, (I was on a dating app and he also was on a dating app) and I told him that I don't have fun with a man who is in a relationship. He said he won't tell his girlfriend but that didn't change my mind.
Years after that, in between he tried more times to convince me but I still said no.
Then his girlfriend broke up with him. He said how crazy she was for breaking up for a stupid reason (also red flag for me).

So we started seeing each other again and he said he wanted a relationship with me. I said I want to take things slow to see how it would work but I just wanted to know if he changed but still has only empathy with himself, doesn't want to get others...(red flags). Also he complained about how he has a small change with women because he is short..
Then I said I don't want to meet and don't want to talk to him again. He complained I don't get relationship while he cheats and doesn't care about empathy with others..
So days after that he had someone else and is in a relationship again.

And yet, he still wants to cheat with me and tries to contact me on the dating app.
He thinks it's hot to cheat and others still want him..
I don't want him and still he doesn't get it.
Is it cool for him to cheat? I think he wants it all and wants to get away with it..
So unattractive. I don't get why he would do that.
I don't get him. Why would he still think he has a change with me after that?
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