In this live story from The Moth, Malcolm Gladwell explains how he ruined his friendship with his college friend Craig. Craig was a charismatic leader among nerds -- he had a knack for nicknames and songs, and he made a huge impression on Gladwell when they were in school. But when Craig's wedding rolled around, Gladwell ruined everything, just by singing a song. If you have even the slightest interest in Malcolm Gladwell, check out this story -- it's funny, but it's also a lesson about trusting your gut when you're pretty sure a gag is not going to go over well.

Warning: this story includes Malcolm Gladwell singing a capella. He's not bad, actually.

See also: Malcolm Gladwell on Spaghetti Sauce.