Aside from protecting yourself from inhaling something unsafe like covid, what are the perks of a face mask?

I know some of you like some things about it. Think about it. Sometimes I stick my tongue out or bite my lip when I see someone attractive but I'd be embarrassed without the mask. Does anyone else do this too? Talk to me. Do you do any other facial expressions.
Aside from protecting yourself from inhaling something unsafe like covid, what are the perks of a face mask?
Post Opinion