[OOC: I did a roll to get a general sense of how well he's holding it together. The result is:
not very.]
He smiles broadly at the story and then slams his palm into his forehead. "I almost kept it together, Yogo-san, but I thought it would end up more as a lesson with their retainers... but it turns out they were just dumb." Explaining jokes is cool.
"But I see now, and even though I maintain that I did not cheat originally, I will best you in this next contest! This way, Yogo-san!"
[Go ahead and make up a room they walk into.]