Lyall's tone wasn't scolding by any stretch of the imagination, but he still finds his mask warming with embarrassment. That is, he's learning quickly, the downside of not being grandfathered into this sort of life; he's got a lot of ground to cover as quickly as possible.

"I'm sorry, I-" He cuts himself off in favour of offering a self-deprecating little laugh, glancing sidelong at Lyall. "I've never been anyone's guest before. Not like this, at least. I didn't mean to imply anything about your staff." He tilts his head. "I... can call them 'your staff', can't I?"