Friday the 13th
In Caitlin's words: "I think this shirt is unlucky. I wore it last Friday and the world threw up on me, shaved my head while I was asleep, kicked me in the stomach, tarred and feathered me, plucked off my toenails, and gave me a cavity (you know the cavity means it was serious). It looks like today's heading that direction, and it's only 9:30. Help."