A good comeback to " Why do you still wear a mask? "

Mine is " It hides that I'm ugly ". Some people laugh, and walk away, others just get a weird look on their face, and walk away.

But in all honesty, my wife is immunocompromised. And I wear it to protect her. And if I answer with that, most people go on the defense "Well, I'm not sick ", or " That won't help ". I have even been told " Ok Brandon "