Naturally that sort of response gets that pout to resurface. He even folds his little arms. He can be cool! Big brother doesn't know everything!

They start moving again, and so his attention is thoroughly diverted back to the reason he was even being carried by his brother again. He points up at a pretty meaty looking book on air plants that he probably wouldn't have been able to safely remove from the shelf even if he had managed to get up there.