Nothing. At some stage she will go to the bathroom & find out herself.
When ever I get the chance I always run my tongue over my teeth. It's one of my biggest fears when out and about. :) Gesturing is good it beats pointing and laughing.lol.
Smile and keep walking...depends on which woman though.
Gesture by rubbing my finger over my teeth, another women would guicky get the message... :).
I always let her know because I would want someone to tell me.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.