As she should. [It's said with the same hint of teasing and when Vastra takes a step closer, Natasha remains where she is, still calm and relaxed. She can tell the other woman is uncomfortable at being caught in this and she gives her a faint, crooked smile.] Oh, I'm all too well aware, yes. You haven't alarmed me, Vastra. I can't say other people I know would be entirely comfortable with it, but I've seen... Well. Let's just say that I've seen what humanity is capable of doing to themselves, with far less reasoning. Dead is dead.

[Vastra's explanation is fascinating and Natasha listens intently, piecing it together, picking up on subtle things that the other woman didn't include but that were implied there all the same.]

You were the only one to wake up?