[Given that Kay's reactions are precisely the sort he anticipated — indeed, even the big smile that ultimately spreads over her face and her comparison of him to a Great Thief — Edgeworth is actually internally relieved to see this play out. Particularly that last part. Since things are going according to his expectations, it's a simple matter to keep his outward expression cool and collected.]

I wouldn't characterize it as "theft", though I suppose a comparison to the so-called "thefts" you've perpetrated is apt. Of course, I do intend to return your name to you. Even if I don't actively do so, you should remember it tomorrow morning at the very latest.