[Salt. Does he know what's in salt? He tries to think back and comes up blank, and it makes him laugh, because he can talk about lithium and magnesium and phosphate now, but not salt.

The laugh becomes something of a groan and he rubs a hand over his face, moves closer to Kevin, lowers his voice to a near-whisper. This isn't really the place he wanted to have this talk, but it's the only thing he can think to say.]

What would you say if I told you I was one of the best chemists in the country back home? I mean, definitely in the southwest, but as far as I know it pretty much anywhere. Except that I got no idea what's in salt. I don't... know much about anything, except how to make this one thing.

[Off Kevin's look, he drops his head, but forces himself to keep his eyes up.] Poison. Drugs.