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Today's guest is the man in charge of the world's longest scientific study of happiness, a study that has been running since 1938.

Dr. Robert Waldinger is a professor of psychiatry at Harvard Medical School, the director of the Harvard Study of Adult Development at Massachusetts General Hospital, and co-founder of the Lifespan Research Foundation. He is also a Zen master and teaches meditation in New England and around the world. His TED Talk is one of the most viewed of all time, with over 43 million views. He's the co-author, along with Dr. Marc Schulz, of The Good Life.

In this episode we talk about:

What the Harvard Study of Adult Development is and how it got started
How much of our happiness is really under our control
Why you can't you be happy all the time
The concept of "social fitness"
Why you should "never worry alone"
How having best friends at work can make you more productive
And why, in his words, it's never too late to be happy

Full Shownotes: https://www.tenpercent.com/podcast-episode/robert-waldinger-549

HT#61: The Obelisk Gate, by N.K. Jemisin (feat. Lacey Jane Wolfe)