Psychosexual development unusually submissive woman (low self-esteem). In a boy, a phallic-stage fixation might lead him to become an aggressive, over-ambitious, vain man. Therefore, the satisfactory parental handling and resolution of the Oedipus complex and of the Electra complex are most important in developing the infantile super-ego, because, by identifying with a parent, the child internalizes morality, thereby, choosing to comply with societal rules, rather than having to reflexively comply in fear of punishment. The fourth stage of psychosexual development is the latency stage that spans from the age of six years until puberty, wherein the child consolidates the character habits he
Psychosexual development sexuality is consensual and adult, rather than solitary and infantile. The psychological difference between the phallic and genital stages is that the ego is established in the latter; the person's concern shifts from primary-drive gratification (instinct) to applying secondary process-thinking to gratify desire symbolically and intellectually by means of friendships, a love relationship, family and adult responsibilities. A usual criticism of the scientific (experimental) validity of the Freudian psychology theory of human psychosexual development is that Sigmund Freud (1856–1939) was personally fixated upon human sexuality; therefore, he favored defining human development with a normative theory of psychologic and sexual development.