People do that to me too. My teeth aren't the greatest and it makes me very self conscious.
I do but that's because I have trouble understanding some people. They mumble.
Actually, I stare at one eye, cause if I looked at both I might go c0ck eyed, and I will look derpy
I tend to do that--always have. I do not know why. Has nothing to do with the piece of spinach caught on your teeth.