I try to maintain a positive attitude at all times, because clients notice little things like that, and if you're frowning and crying all the time and saying "why? why?", they get worried.
I made a circular motion with my finger around my temple to indicate I thought this guy was crazy, forgetting that there was no one in the room to see this circular motion except him. He saw it and frowned.
This guy was making me tired. “Thanks for the afternoon’s entertainment,” I said. “I’ll flush a copy of my bill down the toilet. You should be getting it in a couple of days.