"Thanks. You too," he told Charlie sincerely. "I'm hoping I can eventually do field work again. We'll see. But the shop and this will keep me busy in the meantime." And Rose. A smile flitted briefly across his face.
"I was just going to ask about how you went about enticing them to mate with certain dragons, when I know such things can be difficult." Dragons were rather stubborn beings, so it had to be a challenge. His mobile face went through several expression as he thought, pondering ways it could be done. "I mean... potions? What? They're pretty impervious to spells." As Charlie well knew, of course, and a gesture from Rolf conveyed that. "I'd heard there was an increase. There's similar work with the other breeds you've worked with?" he asked curiously.