I'm not sure what made me think of it, but the other day I turned to my fiancé and said, "Hey, tell me if you think this would be funny to say at the end of a first date."
"Oh no," she mumbled.
Pretending I didn't hear her, I continued. "So a guy is dropping a girl off after a first date, and he says to her, 'Would you mind if I came inside?' And she says, 'Yes, I would." And he responds, 'How about on your belly, then?'"
She didn't think it was funny. I'm still laughing over it.
It's those little differences that keep us from getting bored with one another.