Is it okay for my boyfriend to play wingman?

All of his friends are single (and sort of shy?) so he will go up to girls at bars and start talking to them/break the ice supposedly for his friends. It sort of bothers me that he's out meeting girls at bars.

Guys: should I be worried/do I have anything to even worry about or is this normal?

Girls: how would you feel if your guy did this?
Is it okay for my boyfriend to play wingman?
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