Charley Bates turns against Sikes, and Monks turns against Mrs. Corney. Fagin’s unstable family, held together only by the self-interest of its members, is juxtaposed to the little society formed by Oliver, Brownlow, Rose Maylie, and their many friends. This second group is bound together not by concerns of self-interest but by “strong affection and humanity of heart,” the selfless devotion to each other that Dickens sees as the prerequisite for “perfect happiness.”