Creating Confidence with Heather Monahan

Confidence Classic: What 80+ Years Of Research Says About Happiness with Dr. Marc Schulz

March 11, 2026·43 min·6-min readinterviewself improvement
Podzilla Summary (6 min)
TLDR
The key to a good life, according to decades of research from the Harvard Study of Adult Development, is not wealth, fame, or achievement, but meaningful relationships. Loneliness is as harmful to health as smoking or obesity, and the most common regret among people in their 80s is not sp

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Guest

M

Mark Schultz

interview on Creating Confidence with Heather Monahan

Mentions

Books, people, and resources mentioned in this episode.

People

Mark SchultzHeatherRobert WaldingerGeorge Valiant

Books

The Good Lifeby Mark Schultz and Robert Waldinger

Research & Papers

Harvard Study of Adult Development

Topics

Mental HealthSelf Improvement

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