S02e14 Ddc - Young Sheldon

"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."

"My opponent..." Sheldon started again, then stopped. He blurted out, "My opponent's plan would make Billy Sparks sad." young sheldon s02e14 ddc

The Yoo-hoo Principle

"Yep."