Under some of circumstances you describe, the Bible would
require sexual relations. (Genesis 38:6-10) Furthermore, under HR.3799 and S.2082 (don't just believe me, look them up on
thomas.loc.gov ), any local government official (mayor, perhaps even dog catcher) could require you to perform the
duty of screwing your widowed sister-in-law.
So is that a tab


? Only if you use protecti

n.
(My sister-in-law's h

t, but not a wid

w.)