Doe v. Moe

In bed was a man and a beauty,
Who repositioned her booty.
She slipped while on top,
And made his prick pop.
The Court said, in sex, there's no duty.

Doe v. Moe, 827 N.E.2d 240 (Mass. App. Ct. 2005)
(no action for mere negligence involving consensual sexual activity).