[And Arthur does just that, turning to lock the door before he even sets the PASIV down. He's entirely too paranoid with the PASIV, and he doesn't want anybody on the Barge even seeing the briefcase, let alone the device inside. He takes another look around Eames's room, still a little curious about it, but doesn't ask. It's not really relevant to anything, he figures.]

Yeah. [A non-committal response.] This isn't entirely a social call, you know.

[And there goes Arthur, right down to business, as usual.]