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 about it.
Friendship between men:
A man did not come home on 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 at their place, and two claimed that he was still there!
Source: The Standard, under “Humour Quotes”.