Have not really had any, but the best thing I can think of would be getting bitten in the face by an ostrich at The Wilds in Ohio, without a medical kit. Makes sense, as it was in Ohio
Single my whole life, never really had one, trichotillamania, cracking my knuckles, and bouncing my leg, and when my roommate just kept tapping his fingers on the table, even after I asked him to stop.