By the look of you, don't have a great deal I could ask for.

[She says, giving him a shrewd glance up and down. She's just got him sitting down; Jasnah wouldn't bet he'd be able to get back up any time soon.]

If you want the rational explanation, here it is; we're here together, each one of us against our will, and confined to a very small space. We need to behave well with one another. We need to handle tensions responsibly. That will mean fostering good will, health, and patience.