Rover's not hurt, he's just sitting on his aft and grumbling in his babble-language. Every so often he tilts his head and gestures toward Endeavour.

Then, all of a sudden, a word makes its way through the babblement.

"...crazy." Another head tilt and he points his finger right at Ratchet.

Of course, it sounds like it's being spoken by a chipmunk who's inhaled a lot of helium, but...