I was on a plane, and as it was landing, a stewardess with an angry, plastic smile walked over and told me to put my seat up.
“It is up,” I said. Because it was.
“Uh, I don’t think so sir,” she said, glaring but still smiling.
I made a face, turned my head to look at my own seat. It was up. It was perfectly level with the seats next to it. “Look,” I said, pointing, “It’s up.”
“No it’s not sir,” she said, getting more upset, “You need to have your seat up for landing.”
Since I have plenty of experience using logic on insane people, I smiled and said, “Okay, then look at this.”