ughh I hate that!
What kind of soup is it?
Because it's running away from the heat!
It opens and sooths the sinuses.
i love pho
It is warm and a liquid, those two things form a mist of steam that causes the mucous to loosen...
Heat vapors opening up your nasal passages?
I think it has something to do with the sudden heat. My nose can do the same thing if I'm cold and eat hot or warm foods.