On Friendship between Women:
A Woman did not come home one night. The next day she told her husband
that she slept over at a friend's house. The man called his wife's 10
best friends. None of them knew about it.
On Friendship between men:
A man did not come home one night. The next day he told his wife that
he had slept over at a friend's house. The woman called her husband's
10 best friends. Eight of them confirmed that yes, he had slept over
and two claimed that he was still there.