She's about to agree with him--Darrow is Darrow, and if its magic means the Postbox works, or doesn't, or some strange limbo between the two, it's a mystery just like everything else--but then Newt stops and studies her, thinking, and she stays quiet. When he speaks again, Rosie has to duck her head and blink back the tears that suddenly sting her eyes.

"Nobody told me," she says, looking up at him as she chews faintly on her lower lip. "It's just hard not to think so, sometimes. Knowing there's people here who can do all sorts of things, and all I am is boring old Rosie."