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 husbands 10 best friends, 8 of which confirmed that he had slept over, and 2 said that he was still there.
