It combines units into larger wholes. Eros is constructive. Sex is just one manifestation of the erotic instinct. Death This is the force that tears down. It seeks release from tension and a return to earlier states.
Death is destructive.
Aggression is just one manifestation of the death instinct. For example, I want to be the same as my father or mother, or a political leader, or a hero, or a fictional character. The images of the father, the mother, the leader, hero or fictional character become internal guides for my behavior. Ego That original part of the psyche that just wanted to be happy. The ego s ongoing struggle with love and aggression towards others is felt as guilt .