Just for perspective: I am a man in my mid-40s and for as long as i can remember i had this question... is it normal that i can shut my nose close just with some muscles?

I always wondered why some people hold their nose shut with their fingers while jumping into a pool or when exposed to some horrible smell... i never had this need. Changing my sons diapers? No problem! Cleaning the latrines while in the army? Just a breeze!

Ehm... yeah... just thought about this...

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[–] 2 points 1 year ago

Might be, but all of these are things I was not able to do at some point and that I conciously learned. So while having the "wrong" genetics might preclude you from doing them, you still need to learn these things if you have the "right" genetics.

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