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Many executives do not want to be talked back to, and some take the attitude of don't you know who I am. Barry Diller, the CEO's mentor, is the opposite. An argument with him is unpleasant, but once it has been banged out, sometimes he realizes he is wrong, and he lights up because he just learned.

The delight comes from learning, and learning often comes with pain: the pain of being wrong, of hearing something unwelcome, or of something unexpected happening. If a person is not making mistakes, it is just not very interesting.

Why does power make people listen less?

In a 2006 study in Psychological Science, Adam Galinsky and colleagues asked participants to draw the letter E on their own foreheads. People who had been primed to feel powerful were more likely to draw it so that it read correctly to themselves and backward to anyone facing them. The authors concluded that power reduces the tendency to take another person's perspective.

Why does being wrong hurt so much?

The brain registers mistakes almost instantly. Researchers recorded a signal called the error-related negativity in the early 1990s, appearing within roughly 100 milliseconds after a person makes an error. It arises in a region called the anterior cingulate cortex, which is involved in monitoring performance and conflict.

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