Since the 1970s, the General Social Survey has asked thousands of Americans the same question: “Taken all together, how would you say things are these days—would you say that you are very happy, pretty happy, or not too happy?” In the past few decades, our well-being seemed to take a nosedive. According to researchers, the decline of marriage seems to be the single most important explanation. Why is marriage the best predictor of happiness in America? Does marriage turn unhappy people into happy people? Are happier people just more likely to get married? Or is something more complicated happening? We welcome back Robert Waldinger and Marc Schulz, the director and associate director of Harvard Study of Adult Development, the longest-running study of adult happiness ever conducted and the authors of the book 'The Good Life,' to discuss.

If you have questions, observations, or ideas for future episodes, email us at PlainEnglish@Spotify.com.

Host: Derek Thompson

Guests: Robert Waldinger and Marc Schulz

Producer: Devon Manze

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