There were a couple reasons he had never really thought about it. Even discounting the fact that he was an immortal sorcerer, that area of his life was extremely complicated and he wasn't really looking to complicate it with one of the few people he considered a friend. So he gave her a look she was surely used to receiving by now, amusement dancing in his eyes along with it.
"I'm always careful," he assured her before glancing around the room when she mentioned it being the only clean room in the house.
With practiced ease, he immediately looked shocked that she might even hint that downstairs was bad. "I work very hard to keep my room and downstairs in excellent condition. Are you suggesting otherwise?"