Frodo: I'm tired of this picture...
Sam: Really, I can't see what the problem is!
Frodo: I'm about to fall down a cliff!
Sam: I don't get it.
Frodo: Aaaaghh!
OR
Sam: I'm taller than you!
Or yet!
Sam: Are you sure this is Mordor? Only, I didn't expect there to be so much blue sky... or sunbathing...