Harvard Business School Professor: This One Research Study Will Change Your Life and Career

ℹ️ EPISODE INFO

Released

May 4, 2026

Duration

1h 8m

Channel

The Mel Robbins Podcast

Watch on YouTube

▶ Open ↗

📝 EPISODE DESCRIPTION

Order your copy of The Let Them Theory 👉 https://melrob.co/let-them-theory 👈 The #1 Best Selling Book of 2025 🔥 Discover how much power you truly have. It all begins with two simple words. Let Them. — Today's episode is going to completely change the way you think about every conversation you've been too afraid to have. Ever wonder why your relationships feel surface level, even after years? Why you feel lonely, even when you're surrounded by people? Why you say “I’m fine,” even when you’re not? Why some people earn trust instantly, while you struggle to be taken seriously? Harvard Business School’s Dr. Leslie K. John, a behavioral scientist who has spent decades studying honesty, trust, privacy, regret, and decision-making, is here to teach you the answer – and it's not what you think. In today’s episode, you will learn the surprising science of honesty, vulnerability, and human connection. Her research has found why the things you don't say are quietly hurting your health, your relationships, and your career – and exactly what to do about it. For years, the advice has been: don't overshare, at work or with friends. Keep things private. But decades of Harvard research say that advice is backwards. Dr. John's findings are shocking, and reveal that the real problem, the one deepening loneliness and costing you the career and connections you want, is undersharing. In this episode, you’ll learn that 89% of people would choose to work with, trust, and hire someone who reveals something difficult, even something unflattering, over someone who stays quiet. That keeping secrets doesn't just feel heavy. Research shows it lowers cognitive performance, IQ, and is linked to measurable declines in physical health. That one of the most common deathbed regrets is “I wish I had shared my feelings more.” That you can use The Disclosure Matrix, which is the exact decision-making tool Dr. John teaches at Harvard Business School, so you always know when to speak up and when to stay quiet. And, you’ll learn the 2-sentence framework that makes any hard conversation easier to start. If you've ever held something back because you didn't want to make things awkward, said "I'm fine" when you weren't, or wished your relationships felt deeper and more honest, this episode will change the way you communicate forever. For more resources related to today’s episode, click here for the podcast episode page: https://www.melrobbins.com/episode/episode-392/ Follow The Mel Robbins Podcast on Instagram: https://www.instagram.com/themelrobbinspodcast I’m just your friend. I am not a licensed therapist, and this podcast is NOT intended as a substitute for the advice of a physician, professional coach, psychotherapist, or other qualified professional. Got it? Good. I’ll see you in the next episode. In this episode: 00:00 Intro 01:51 Skills That Will Change Your Life 04:21 Should You Should Be Sharing More? 19:03 Understanding Introversion & Shyness 25:19 How To Decide What To Share And What Not To Share 31:24 The Health Cost of Under-Sharing 34:39 Powerful Tools to Process Your Emotions 40:57 How To Deeply Express Yourself In Conversation 44:46 The Cost of Keeping Secrets 47:55 The Harvard Business School Disclosure Matrix Explained 58:47 Why You Should Be Open With Your Feelings — Follow Mel: Instagram: https://www.instagram.com/melrobbins/ TikTok: http://tiktok.com/@melrobbins Facebook: https://www.facebook.com/melrobbins LinkedIn: https://www.linkedin.com/in/melrobbins Website: http://melrobbins.com​ — Sign up for Mel’s newsletter: https://melrob.co/sign-up-newsletter A note from Mel to you, twice a week, sharing simple, practical ways to build the life you want. — Subscribe to Mel’s channel here: https://www.youtube.com/melrobbins​?sub_confirmation=1 — Listen to The Mel Robbins Podcast 🎧 New episodes drop every Monday & Thursday! https://melrob.co/spotify https://melrob.co/applepodcasts https://melrob.co/amazonmusic — Looking for Mel’s books on Amazon? Find them here: The Let Them Theory: https://amzn.to/3IQ21Oe The Let Them Theory Audiobook: https://amzn.to/413SObp The High 5 Habit: https://amzn.to/3fMvfPQ The 5 Second Rule: https://amzn.to/4l54fah

🎤 SPEAKERS

• Mel Robbins

  host

  Host of The Mel Robbins Podcast and author/speaker focused on behavior change and personal development.

• Dr. Leslie K. John

  guest

  Harvard Business School professor and behavioral researcher studying honesty, disclosure, trust, and decision-making.

🧾 EPISODE SUMMARY

In this episode of The Mel Robbins Podcast, featuring Mel Robbins and Dr. Leslie K. John, Harvard Business School Professor: This One Research Study Will Change Your Life and Career explores why wise oversharing builds trust, wellbeing, and career influence fast Research experiments show people often trust and choose someone who reveals a negative truth over someone who refuses to answer, because withholding signals distrust and potential deception.

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