"Yeah." She's grateful to be able to talk about something other than the sick they've left behind for the moment. If they can't talk about anything but the people they're trying desperately to save, it might not be much of a break. "I started learning at home, but--"

There's no simple way to end that sentence, but she only realizes it in the center of it. Shrugging's the best she can do, and cramming a spoonful of groats into her mouth. And then, after a second or two, "It's pretty easy. If you can tie knots, you can learn it."