I’ve talked a lot about how research psychologists reject much of Freudian theory, but one idea Freudian therapists and experimental psychologists agree on today is that our ego fights fiercely to defend its honor. This agreement is a relatively recent development. For many decades, research psychologists thought of people as detached observers who assess events and then apply reason to discover truth and decipher the nature of the social world.17 We were said to gather data on ourselves and to build our self-images based on generally good and accurate inferences. In that traditional view, a well-adjusted person was thought to be like a scientist of the self, whereas an individual whose self-image was clouded by illusion was regarded as vulnerable to, if not already a victim of, mental illness. Today, we know that the opposite is closer to the truth. Normal and healthy individuals—students, professors, engineers, lieutenant colonels, doctors, business executives—tend to think of themselves as not just competent but proficient, even if they aren’t.