He doesn't immediately return to his book, instead perusing its back cover before cupping his hands and looking at something between them. At Christelle's question he opens them again, and whatever he had been paying attention to disappears.

"Yes. I hope they are indeed eager students." He sighs a little here. "I may have to coax the unwilling ones a little."

Depending on their attitude, it would either be a brief tutoring process or some sort of hell.