Electra complex of "Mother" develops the super-ego as the girl establishes a discrete sexual identity (ego). Without a penis, the girl cannot sexually possess her mother, as the infantile id demands. Consequently, the girl redirects her desire for sexual union upon her father, and thus progresses to heterosexual femininity, which culminates in bearing a child who replaces the absent penis. Moreover, after the phallic stage, the girl’s psychosexual development includes transferring her primary erogenous zone from the infantile clitoris to the adult vagina. Freud thus considered the feminine Oedipus attitude ("Electra complex") to be more emotionally intense than the Oedipal conflict of
Oedipus complex "disappointment over a woman" (object drives) or "a mishap in social relations with other men" (ego drives) is the cause of regression or symptom formation. Triangulation can take place with a romantic rival, for a woman, or with a work rival, for the reputation of being more potent. When Sigmund Freud (1856–1939) proposed that the Oedipus complex was psychologically universal, he provoked the evolution of Freudian psychology and the psychoanalytic treatment method, by collaborators and competitors alike. In countering Freud's proposal that the psychosexual development of boys and girls is equal, i.e. equally oriented – that each initially experiences sexual