The novel "Two Girls, Fat and Thin" follows the childhood and adult lives of Justine Shade (thin) and Dorothy Never (fat). Justine works through her sadomasochistic issues while Dorothy works through her up-and-down commitment to the philosophy of "Definitism" and its founder "Anna Granite" (thinly veiled satires of Objectivism and Ayn Rand). When journalist Justine interviews Dorothy for an exposé of Definitism, an unusual relationship begins between the two women. In an interview, Gaitskill discussed what she was trying to convey about Justine via her sadomasochistic impulses: