“The world tolerates conceit from those who are successful, but not from anybody else.”

—John Blake

The overachieving supercompetitor may be exciting to read about, but would you want that person working next to you or living with you? Can there be too much of a good thing? Yes, there can.

We love winners. The adrenaline surge created by identifying with superachievers, whether from business or athletics, cannot be denied. The probability of the average person's ever becoming one of these heroes is exceedingly small, yet the fact that heroes exist spurs us on. They become models, mentors, and coaches. Some people, ...

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