the idealized image becomes an idealized self. And this idealized self becomes more real to him than his real self, not primarily because it is more appealing but because it answers all his stringent needs.
Horney establishes the foundational mechanism whereby an internally constructed idealized image is introjected and substituted for the real self, becoming the operative center of the neurotic personality.
, Neurosis and Human Growth: The Struggle Toward Self-Realization, 1950thesis