I Have to Admire Your Invincible Ignorance

Boyfriend: Yeah, we gotta get some oil.
Girlfriend: No, not oil, K-Y.
Boyfriend: Oil, K-Y -- it's the same thing.
Girlfriend: No, K-Y is a gel. It's water-based. Oil is not.
Boyfriend: Water and oil are, like, the same thing.

--F train

Overheard by: 2WongFu