Friendship between Women:
A woman didn't come home one night. The next morning she told her
husband that she had slept over at a friend's house. The man called his
wife's 10 best friends. None of them knew anything about it.
Friendship between Men:
A man didn't come home one night. The next morning 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 which confirmed that he had slept
over, and two said that he was still there.
