He calls out to me.
He wants to know what "transgender" means. It turns out he's a grizzled old Army veteran who's turning 50 next month and now in private security.
But this gentleman is so very respectful and sweet in asking that I feel compelled to answer, and I'm glad I did.
I gave him Introduction to Gender & Sexuality in 90 minutes.
It was like having a very eager student who really wanted to understand all of it. He had a rare good faith curiosity about him.
"I've just been wondering, lately. I love women, but sometimes, in the back of my mind, I wonder about men. Is that weird?"