Goldilocks Theorem is a technique for guessing answers to multiple choice questions. You throw out the highest and lowest answers and guess from what's left. Typically applied to three and four answer questions.
Yeah, I'm pretty sure I failed that exam. I used Goldilocks Theorem on the whole thing, so unless I got really lucky I'm fucked.
The very tiny zone of species close enough to humans, where it's legal to have sex with them, yet far enough from humans where it's legal to kill them.
"Your turn, Frank. When you find Bigfoot, will you fuck him or kill him?"
"Well both options are legal, aren't they, because Bigfoot is in the Cryptid Goldilocks Zone."