Men with “strong hearts” have power and charisma; using it, they can manipulate debt to turn extra food into treasures, and treasures into wives, wards, and daughters, and thus become the heads of ever-growing families. But that very power and charisma that allows them to do this also makes them run the constant danger of sending the whole process jolting back into a kind of horrific implosion, of creating flesh-debts whereby one’s family is converted back into food.