Foley's Law
You can't control what makes your dick hard.

An excuse often used by men as a justification for getting off to shockingly offensive pornography.
Dude #1: Hey, check out this hot video of a gorilla doing a Cleveland Steamer on a nun.

Dude #2: that's sick!

Dude #1: hey, don't judge. Foley's Law states you can't control what makes your dick hard!