[He's baiting her, of course, but he can't possibly know he's picked the worst nickname of all. Rosie, and that's Robert's name for her, his affectionate, semi-saccharine petname that she refuses to let anyone else use.

So there's an extra edge to the way she glares up at him as he says that, but she won't take the bait and snarl at him again.]

There's no such thing as magic because there simply isn't. And I've lived here six months, thank you, and I still stand by that answer. Everything can be explained via science, no matter how bizarre it is. That includes all the "shit" you've seen, and then some.

[She glances back at him, her expression arch and superior.]

But that trick in particular has to do with atomic displacement. [A beat, and then:] Do you know what an atom is?