I wore my boxers to bed last night. I do that pretty often, because I want to sleep as unclothed as possible, but I usually keep my bedroom door partially open for ventilation, and, well, nobody needs the sight of my Jimmy Olsen, Boy Photographer at 3 AM.
Anyhow, woke up this morning at the usual time, went to take a pee. Whilst dropping my trousers to my knees, I realized that they were on inside-out. And backwards.
Even geniuses have their off days.