My new gf has some guy friends who consistently have bad luck with women. They all do similar things which cause this situation.

They talk to me in private about how hot other girls are, instead of telling the girl they are interested in.

They don't accept invitations to events without asking about hot girls being there.

They always ask what other people think of them.

They complain about not being happy.

They constantly ask me if I have any hot girls that I could hook them up with, the problem is, I'd be wasting my time because these guys would be striking out with the new girls too because of their behavior.

They complain that they would need to change who they are in order to be successful.

They are not good at making conversation which makes others feel comfortable(rapport). This happens by asking questions about the other person.

Yes, you are doing something wrong if you are not happy with your dating life. I'm aware that changes are difficult and challenging. If you want success, you must work on it everyday with no days off, every time you go out. Its like building muscles, won't happen overnight, but will happen if you stick to it.