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…


Do you, by any chance, have slight trouble breathing with a light cold, get a clogged nose easily or even have reduced sense of smell?
Because I do and I can also do what you describe.
Absolutely! The moment i catch ANYTHING remotely affecting the mucous in my nose everything is sealed shut tight. Regarding the reduced sense of smell i haven’t noticed anything.