[Well that explains a lot. She tries not to act petulant when he tells her she's clean. She brushes her arm off and sits finally to eat her food.]

And conversely I should be making sure you're not an alien hellbent on destroying me. But there's no nifty test for that, so I'll have to take it on face value.

[She considers her next question carefully as she chews. She swallows and clears her throat.]

You wouldn't by any chance know either a Sam or a Dean Winchester would you?