Johnson is standing on the train platform when the guy next to him waves and yells" "Goodbye! Your wife's a great fuck!"
Johnson is shocked and asks the guy: "Who were you yelling to?" The guy tells Johsnon: "That's my brother." "Wow" Johnson tells him, "That's incedibly insensitive!"
The guy says: "Actually I'm very sensitive. My brother's wife is a lousy fuck. I didn't want to hurt his feelings."