[That's alright-- it's not that she expected a whole lot of sentimentalism from him, anyway... and his answer is more than enough for her, making her smile brightly as she nods.]
Yes, we should. We don't want to make Her Majesty or Lord Ciel wait.
[Yes, alright, maybe calling him Lord Phantomhive would be more appropriate... but he's so young, so addressing him like that is the compromise she's made in her mind.]