Friendship between Women: A woman did not come home one night. The next
day 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 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 he had slept over, and two claimed that he was still there.

Lovely dragon image you got there, Karma.