W. R. D. Fairbairn (1889-1964) challenged the dominance of Freud's drive theory with a psychoanalytic theory based on the internalization of human relationships. Fairbairn assumed that the unconscious develops in childhood and contains dissociated memories of parental neglect, insensitivity, and outright abuse that are impossible the children to tolerate consciously. In Fairbairn's model, these dissociated memories protect developing children from recognizing how badly they are being treated and allow them to remain attached even to physically abusive parents. Attachment is paramount in Fairbairn's model, as he recognized that children are absolutely and unconditionally dependent on their parents. Kidnapped children who remain attached to their abusive captors despite opportunities to escape illustrate this intense dependency, even into adolescence. At the heart of Fairbairn's model is a structural theory that organizes actual relational events into three self-and-object pairs: one