That sounds delightfully mysterious; a trade secret, then? I can respect that.

( She has some "trade secrets" of her own, in the form of patented-to-the-moon-and-back nanotechnology she doesn't want twisted for ill. It's precisely for this reason she won't pry too far, unfortunately. )

Well, I hope we get the chance to meet soon, young sir. Perhaps I can earn enough of your trust that we can discuss it a little bit more. Unless there was something else you wanted to ask after...?