Happiness might not sound like a business strategy, but Arthur C. Brooks—Harvard professor, Atlantic columnist, and all-around happiness guru—says it’s the most important metric of all. In his new book ⁠The Happiness Files: Insights on Work and Life⁠, Arthur argues that your life is a startup, and you’re the founder, CEO, and maybe even the unpaid intern. Which means you’ve got to manage your most important asset: yourself.

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