"Are you two offering to sell me something?" the woman suggested kindly. Willa could tell that she’d probably gotten the giggles herself when she was their age, although surely—oh, lord—surely not such hysterical giggles, such helpless, overpowering, uncontrollable giggles. These giggles were like a liquid that flooded Willa’s whole body, causing tears to stream from her eyes and forcing her to crumple over her carton and clamp her legs together so as not to pee. She was mortified, and she could see from Sonya’s desperate, wild-eyed face that she was mortified too, but at the same time it was the most wonderful, loose, relaxing feeling. Her cheeks ached and her stomach muscles seemed to have softened into silk. She could have melted into a puddle right there on the stoop.