Why do some users expect decent girls to date them?

I had this user once pretending to be a gentleman; pulling that fake act. I found out quickly he used to lied to girls that he didn't consider them relationship material due to their higher count, pump and dump them the next day. Not just that but he got two of those girls pregnant and tried to bail out of his responsibility.

Garbage... why would I want to date someone that uses people for fun? Someone that lies to others and is a total hypocrite? If someone wants a true decent person, don't they have to be decent themselves.
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He was surprised that I dumped him if I don't sleep around nor ever smoked. I think that's pointless. It's the person that he uses people for fun and has no remorse over hurting those girls' feelings; that's a very bad trait in a person: a manipulator and user.
Why do some users expect decent girls to date them?
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