Shannon and I moved our cards around, trying dozens of pairings until we landed on Lip + Box. 

“What if we had a device that gave people a do-over when they said something uncaring or insensitive?”

“Yes, and…”

I started to explain the game, and I completely forgot the name of the activity.  What did I do when I was overconfident and (I believed) the details did not matter? I improvised. I looked at my audience with complete assurance and start explaining the instructions.