Jack tapped that waving finger against his temple. "I am a clever one, that's true," he said. Really not modest at all, but also not the truth. Jack wasn't daft, but he was no Ravenclaw either! He was just fairly normal in the brains respect.
"Hmmm, I might have to get one of the Daydream Charms." He did like those now and again, drifting off into some fascinating daydream. Which was much better than the non-daydreams that he tended to have otherwise.
He slid down the counter so he was out of the way as the little girls came with their prizes, grinning at them. "Ah, so good that they start so young."