[She could be joking, but he believes in, instantly and absolutely. Partly because she doesn't seem like much of a jokester, but mainly because of professional instincts. A thief can always recognize another thief.]

Pretty discerning, for a thief. [He raises an eyebrow.] But not too worried about revealing yourself as one. For all you know, I could be a real law and order type, take a dim view of that.

[He's not, but he could have been, maybe, if only someone had intervened before he gained the motor coordination to grab things and walk away.]