You've never had a hamburger before?" asks Christine, her eyes wide. "No," I say. "Is that what it's called?" "Stiffs eat plain food," Four says, nodding at Christina. "Why?" she asks. I shrug. "Extravagance is considered self-indulgent and unnecessary." She smirks. "No wonder you left." "Yeah," I say,rolling my eyes. "It was just because of the food." The corner of Four's mouth twitches.