Is what he said sound alarming to any of you ladies!??

I just had our baby two weeks ago and he does cry a lot was well anyway his dad was like do you know all men have a thing in there brain that makes them get angry when they hear a baby cry n I was like Uhm where’d you hear that n he said his uncles girlfriend told him n I asked him if he got mad n he told me sometimes it makes him grind his teeth.