J.D.: So, I still can't figure out why Dr. Cox tore me a new one today.
Turk: Oh, man, enough already! He's a jerk.
[montage:]
Elliot: He's a jerk.
Doug: He's a jerk.
Dr. Kelso: He's a jerk.
Janitor: You're a jerk.
Carla: He's just Dr. Cox. He's always like that.
J.D.: Who really knows him? I mean, who does he hang out with here?
Carla: No one.
J.D.: [v.o.] That must be lonely.