The sound of such a sentence coming from her own lips struck her as unbelievably ridiculous, and she began to laugh. She saw no reason to stop laughing: it felt good. There was an irresistible twitching and tickling in the center of her that made her body double up, and the laughs rolled out. It took them a long time to quiet her, because the idea of their trying to stop her from doing something so natural and delightful seemed even funnier than what she had said.