That noise you hear? That's not a too-amused-for-his-own-good snerk at all. Whatever are you talking about?
"What exactly are you doing with all that?" he asked. "I remember enough to know that you'll probably fill a good portion of that with science notes, but political plans surely can't take up that much paper, can it?"
Well, at least she knows that A) his memories are obviously still patchy, so put aside the fear that he was faking caring about her back then, and B) he wasn't kidding about how ignorant he was of the political process.