I'll need you to be a little more specific.

[ Walt pauses, hesitant to say...but perhaps if it would help him test the extent of his abilities.... ]

But perhaps this would be best done in person. I know a way that could accomplish what you want without having to resort to medicine of any kind -- at least at first. But I would rather not talk about it over the network.

[ A brief flicker of a smile. ]

I like to have some form of privacy.