We are living in a civilized society so it is not sensible to act out all our socially unacceptable impulses openly. We'he to control them but when the ego fears losing control between the demands of id and superego , anxiety occurs . According to Freud id , ego and superego make the structure of our personality. 8 Ego Defense Mechanisms And Coping Styles Id operates on pleasure principle and it demands immediate gratification of impulses or needs. Id compels the individual to deal immediately with certain stressors or tensions e.g. when hunger or thirst builds up, id compels the organism to seek food or water to relieve tension. Freud saw id as inborn, unconscious portion of personality where two types of instincts reside: the life and death instincts. The life instincts, which he called Eros, promote positive, constructive behavior and reflect a source of energy known as libido. Life instincts motivate behavior that satisfies basic needs but they also can engender loftier ...