I was taught this one by a veteran official in my association with the military. I ask if they want to hear a joke...if they reply yes:
Q. Why do officials officiate?
A. Because they can't play
Q. Why do players play?
A. Because they can't officiate
Q. Why do coaches coach?
A. Because they can neither play nor officiate
I think it establishes roles while also easing tensions...IMHO
