Aragorn: Merry, Pippin. Whatever you do, don't turn around!
Merry: What is it?
Aragorn: It's Gandalf...
Merry: I see...
OR
Aragorn: STOP EVERYTHING!
Boromir: What is it?
Aragorn: I've just realised something... ... I think I need a bath...
OR
Aragorn just stepped on a hedgehog.