And the knuckle on it clicks a little when I flex it. I think it's because it is poised over a computer mouse all day. This is an unexpected, unwelcome symptom of having a boring job.
Anyone else picked up any annoyingly pathetic side-effects from jobs? A guy I know now has a slight limp because of the time, while working together at a theme park a few years ago, he fell through the tracks on the Rat Ride.