"It could be," Lucy said, nodding slowly. She didn't know a lot about those sorts of things, or even if they were comparable, but she'd gathered enough about PTSD to figure this might be similar to that. The jungle in itself could probably have been enough to conjure up reminders of that. It shouldn't have been a comforting thought, but it was, a little. At least Mathias and Sam weren't in any immediate danger. "That wouldn't be the worst thing, right?"