[And now he's getting worried, because in his experience it's when people refuse to talk that bad things happen.
He has quite a lot of experience of that from the side of the person not doing the talking.
He makes an effort to soften his expression - not nearly as hard, actually, with Reid's face as it is with his own. Reid's personality isn't naturally anywhere near as overpowering as his own.]
Got stuck with a body you're not sure what to do with? [Presumably she's not a new arrival, since she knows Reid. He tilts his head sympathetically and hazards a guess.] Sex change?