Friendship between men & women

On friendship between women:

A woman didn't 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.  
 
 
On 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 yes, he had slept over and two claimed
that he was still there.