Do some guys use their female friends for an ego boost?

I don't think the guy I like has ever used me as an ego boost. He has a close female friend that is married. When they are together, she showers him with compliments. Basically she just constantly strokes his ego and then he seems to calm down.

There was even a time he got another lady friend to be his wing woman to get me to like him more. She sat beside me and started saying all these ego boosting compliments to me as he stood behind us listening. It seemed to boost his confidence around me too.

Does this type of stuff happen a lot?
I know guys are all about their ego.
Do some guys use their female friends for an ego boost?
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