[What, she really is! Or... pretended to be, when she was pretending to be Irene Adler. So for that identity, it's technically true]
Is it? What about yourself, then? [She asks, even though she doesn't really need to-- she can see from the way he carries himself and the way he speaks that he is someone who has been in a position of authority, either politics or science, or possibly but has recently started doing more hands-on work, probably with food (since there are no calluses on his hands that would indicate the use of tools or heavy lifting.]