[ He's a little surprised that it's his "profession" of all things that has her start making... Well, sense, but he'll take it. After all, he may not know what a "piltie" is, but complaining about his master? Absolutely. ]

Oh, quite. I am in the service of quite a disagreeable young man who has made it his life's mission to make my life as difficult as possible. My title may be that of a butler, but I maintain everything in the household, as the rest of the staff hasn't a braincell amongst them. So it all falls to me. It is a far shorter straw than I thought when I took the job, I assure you.

[ Granted, Ciel's ire is absolutely deserved, but she doesn't need to know that. He's also not exactly acknowledging the whole, you know. End of worlds thing. It's better that way for everyone, since no one needs to see Sebastian's version of a tantrum. ]