Secret #89: The Power of Oversharing with Leslie John

 

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We’re often warned about the dangers of TMI, but Leslie John’s research suggests we may be overlooking the costs of TLI—too little information. Leslie explains how under-sharing can affect our wellbeing, relationships, and even our effectiveness at work, and why we tend to remember the immediate cringe of saying too much while barely noticing the opportunities we lose by saying too little. 

Together, Leslie, Emma, and Chris explore what it takes to reveal ourselves well: knowing what we’re feeling, paying attention to reciprocity, understanding why we want to share, and recognizing that the line between openness and TMI changes with context. They also discuss intimacy, disclosure at work, psychological safety, and why occasionally feeling a little uncomfortable about what we’ve shared might actually be a sign that we’re expanding our capacity for connection.  

Highlights:

  • Under-sharing can cost us connection, trust, and opportunities. 

  •  Feeling truly known requires allowing other people to know more of who we actually are. 

  •  We tend to overreact to the immediate discomfort of oversharing and under-react to the quieter costs of saying too little. 

  •  Reciprocity is one of the best clues for knowing whether to share more or pull back. 

  •  Before disclosing, consider why you want to share and what you hope it will accomplish. 

  •  At work, transparency can provide many of the benefits of openness without requiring deeply vulnerable disclosure. 

  •  Occasionally experiencing a little “TMI cringe” may simply mean you’re practicing sharing beyond your usual comfort zone. 

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TIMESTAMPS:

00:41 Meet Leslie John
01:53 TMI vs. TLI: Are we actually under-sharing?
05:51 The hidden costs of saying too little
09:16 Under-sharing, missed opportunities, and trust
11:31 Why feeling known matters in relationships
14:56 What if you don’t know how you feel?
16:34 Journaling and putting feelings into words
19:51 The disclosure dilemmas we face every day
25:40 How to read the room before sharing
27:27 Reciprocity: the biggest clue for when to share
32:53 How mutual disclosure creates connection
36:27 How sharing changes in long-term relationships
42:29 Know why you’re sharing
44:04 How much should we reveal at work?
45:30 Transparency vs. vulnerability
49:31 Psychological safety and leadership
54:01 Why a little TMI might actually be good


More about Leslie John:

Leslie John is a behavioral scientist and professor at Harvard Business School whose research explores how people make decisions about what to reveal and conceal. Her work examines self-disclosure, privacy, trust, and interpersonal communication, including the consequences of both oversharing and under-sharing. She is the author of Revealing: The Underrated Power of Oversharing


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Secret #88: Living Your Values with Dr. Carolyn AllarD