Though it wasn't funny, Lucy laughed anyway, stifling the sound with her teeth pressed to her lower lip. "Yeah, they do call it that," she said. "So, see, it could just be that." Even if she wasn't convinced of that yet, she didn't want Mathias to have to worry any more than he was bound to be doing already. He would know if things were getting worse; as far as she could tell, he'd have enough on his mind as it was without her openly fretting over the situation. She was a worrier, but she wasn't going to make other people be the same.