“Mmmph yrsh,” you mumble in reply as you hastily swallow your unchewed food.
Leave it on, it will drive you nuts. Tear it off, it will bleed and sting.
Ah yes, the great equalizer of humanity.
This person will be seated next to you at the party. He’ll probably also chew with his mouth open.
Of course, you won’t notice till you have your legs comfortably stretched out into the middle of the circle you’re sitting in.