Angry guy: Hey, what the fuck, man? You fuckin’ crazy, jackhole? What the fuck you doin’, man?
Bewildered guy: I’m not doing anything…
Angry guy: Be fuckin’ nice, man! What the fuck is wrong with you? Be fucking nice!
Bewildered guy: Well, then, you be nice, too.
Angry guy: Do not fuck with me. I will fuck you up! Do not fuckin’ mess with me!
Bewildered guy: I’m not messing with you!
Angry guy: Okay. Have a nice day. –F train