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.