Do guys like girls who are too nice? Or do guys like girls who aren't easy to get along with or tease?

My way of flirting is to be very attentive to the guy and listen thoroughly to what he says to me. I am usually very polite and very formal with the guys I want to flirt with, but I've noticed that this only works 50-60% of the time. I've tried this with several guys and I don't really have a good answer because, as I said before, it usually either works or it doesn't, probably just based if they find my outward appearance as their type.

Do guys like girls who are too nice? Or do guys like girls who aren't easy to get along with or tease?
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