Sheldon opened his mouth to deliver a prepared argument about resource allocation. But Missy kept going.

Sheldon froze. His logical framework cracked. He looked at the judges—two tired-looking English teachers and a man who smelled like instant coffee.

"I won because of a cheap emotional appeal about Billy Sparks."

The Yoo-hoo Principle

"That's... an ad hominem fallacy," he mumbled.

"Fun is a byproduct of winning, Mother. And winning is a byproduct of logic." He turned to Missy. "Which is why I need you to be my practice opponent."