"For two reasons. One, I saw your notice outside the greenhouse, and I've an interest in exchanging skills for skills." Claudius appreciated that, the way it was posed as a trade. He has an exhausting ledger of favors in his head, and an awareness it will likely never be balanced. "The other is that I wished to thank you. I know you don't know me, but I heard you aided someone ... much beloved to me. His name is Galahad."