Oedipus complex desire (libido) for mother, and aggression towards father, student–collaborator Carl Jung counter-proposed that girls experienced desire for father and aggression towards mother via the Electra complex—derived from the 5th-century BC Greek mythologic character Electra, who plotted matricidal revenge with Orestes, her brother, against Clytemnestra, their mother, and Aegisthus, their stepfather, for their murder of Agamemnon, her father (cf. "Electra", by Sophocles). Moreover, because it is native to Freudian psychology, orthodox Jungian psychology uses the term "Oedipus complex" only to denote a boy's psychosexual development. In classical Freudian psychology the super-ego, "the heir to the Oedipus complex", is formed as the
Oedipus complex involved an acute awareness of a complicated triangle involving mother, father, and child" and that "both positive and negative Oedipal themes are typically observable in development". Despite evidence of parent–child conflict, the evolutionary psychologists Martin Daly and Margo Wilson note that it is not for sexual possession of the opposite sex-parent; thus, in "Homicide" (1988), they proposed that the Oedipus complex yields few testable predictions, because they found no evidence of the Oedipus complex in people. In "No More Silly Love Songs: A Realist's Guide to Romance" (2010), Anouchka Grose says that "a large number of people, these days believe