She sees that look, and her expression hardens. It's not difficult to offend her that way, but his saving grace is that he doesn't make any comment. If he keeps it that way, she'll let it slide. For now.

"Water is currency, where I'm from. Water, fuel, food. And people, but I don't trade in them. But I might be able to come up with something you value. And a favor...might be negotiable." With some very rigid stipulations.

She nods, conceding he's not trying to poison her. "You've got me curious now, though. What else can you conjure?"