That she can't decide between instant compliance or her instinctual need to rebel against everything, even in small ways, bothers her some. She knows she needs to commit to one role if this is going to work. But then she questions why she needs this to work. The only solution is to follow Irene, or to walk away now.

But walking away from Irene Adler was an option taken off the table a while ago.

And so she nods, "Certainly, Miss Adler." As though they're on their way to some conference room to discuss last quarter's numbers and what they mean for the future. In some ways, that's not far off.