Real interesting, that tenseness. In a way, Joker thinks, it's easier to be honest with Sans when he's clearly been messed with and has lost all his senses of humor. Guys like him, guys like them.... They really only have that one defense.

With that gone, what else is in its place?

"Laughing at a joke is disrespect?" he says, fingers twitching at his side as the stone gathering against his face really starts to solidify.