You are not one person. This is Freud’s most unsettling insight and also his most accurate. Inside your skull, three distinct psychological forces are locked in permanent conflict. The id screams for immediate gratification of every primitive impulse. The superego punishes you with guilt and shame for even having those impulses. The ego exhausts itself trying to mediate between these warring factions while also dealing with external reality. This internal civil war never ends. It shapes every decision you make, every relationship you enter, every moment of self-doubt or self-sabotage. Understanding this structural model of the psyche is not academic...