Wouldn't you know it... Brain cells come and brain cells go, but FAT cells live forever. Friendship among 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 among 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!