Lynn is alarmed by this change in hair color. She worries that it's got something to do with Astrid's diet - not in what she's eating, Lynn's been sure that she has plenty of protein and such, but in how much she eats. Which is not much. She very nearly calls the hospital, and only barely stops herself when she observes that her hair's not dull or dry or anything - it just happens to have changed color.

"Are you feeling all right?" she asks, instead.