When you're passionate about something, you might want to dedicate all your time to it. While researching the topic, Jachimowicz interviewed 200 high achievers from athletes and artists to Fortune 500 CEOS. Within a year, the passion was overtaken by cynicism and low self-efficacy, and he felt rudderless and adrift, he said. Twenty percent of Americans say that they're truly passionate about their jobs, according to a 2023 Zippia report. "People feel like it's more permissible, more legitimate to assign additional unpaid tasks to more passionate employees," he said.

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Persons: Jon M, Jachimowicz, LinkedIn's Organizations: Harvard Business School, Fortune, Columbia University Locations: United Kingdom, New York