Basically I once had an encounter when some dude(i kinda be friends but honestly he's dead to me now) start Flexing his muscles over the pretense of showing off his tatoos(huh?) but she seemed to understand what he was doing but still played along, at that time i didn't understand what he was doing also didn't see him as a threat, i didn't do anything then just let them talk.

Could I have done better? Is there a way out of this so that the girl likes you even more after you have dealt with him because of the way you dealt with him? Any infields i should watch or any posts i can read on this ?

Finally what would you have done?

Edit: she is not my girlfriend just some girl I was talking to