...except when they are.

Proof: What feels like the only funny joke I've heard in about 15 years, the set-up of which is "What do spinach and anal sex have in common?"

Punchline after the jump.

What do spinach and anal sex have in common?

If you're forced to like them as a kid, you probably won't like them as an adult.

Thank you, joke-relayer Blake, and congratulations to whoever authored this miracle joke. Know that your creation is spreading joy the world over.