The Hidden Cost of Silence: Why Oversharing Might Be Healthier
Do you recoil at oversharers on social media or joke with friends about "TMI"? Many of us do, but while mocking public confessions is easy, it overlooks the risks of normalising silence. Withheld anxieties, unspoken family histories, and minor omissions can make workplaces and relationships brittle. The instinct to scorn "attention seekers" may mask a deeper public-health issue: chronic concealment.
From Privacy Advocate to Disclosure Advocate
For much of my academic career, I lectured on digital hygiene, warning audiences about social media amplifying folly. I played the wary scientist, advising against sharing passwords or taking quizzes that leak intimate preferences. Yet, privately, I was a walking contradiction—I did online quizzes for fun and kept passwords on my desktop. This cognitive dissonance became intolerable, leading me to examine broader research patterns on disclosure, trust, and health.
The consistent signal wasn't that humans are inveterate oversharers; it was that we underexpose what matters. We treat silence as a default virtue, but this default has significant costs.
Experiments That Changed Perspectives
In a study called What Hiding Reveals, my team gave people an awkward choice: imagine dating one of two candidates. One answers frankly, admitting stigmatised facts like drug use or tax cheating; the other refuses to answer. Across contexts—dating, hiring, or sitting on the subway—people consistently chose the revealer. Not because we like bad news, but because we prefer openness to conspicuous withholding.
Why? Disclosure, even about flaws, is a social signal. Revealing something sensitive takes a social risk, signalling trustworthiness and fostering trust. When someone declines to answer, they withhold the currency of social life, often interpreted as contempt, evasiveness, or unreliability.
The Neuroscience and Physiology of Disclosure
Neuroimaging research shows that answering personal questions activates brain regions associated with reward. In lay terms, telling someone about yourself can feel pleasurable, similar to other social rewards. If evolution wired disclosure to be aversive, it wouldn't persist as a trait; its enjoyment suggests it's adaptive, helping connection and survival.
Physiologically, developmental studies reveal stark patterns: children who express feelings show lower stress markers like sweat and heart rate, while those who mask emotions exhibit higher stress. Cultural lessons like "don't be dramatic" can calcify into withholding habits, raising baseline stress and making emotional life more precarious.
Shifting Understanding Without Indiscriminate Confession
These findings shifted my view, not towards confessing everything to everyone, but away from treating silence as an unchallenged baseline. Important constraints exist: power asymmetries, privacy rights, safety concerns, and protecting others' confidences. The urgent point is to recognise silence's costs.
Practical Steps to Loosen Silence's Grip
- Notice the Unsaid: Conduct a crude audit of your day. Imagine two jars: "said" and "unsaid." Drop a mental token for each voiced thought or withheld one. Most unsaid items aren't scandalous but mundane emotional context, like "I didn't sleep well" or "I'm more overwhelmed than I look."
- Treat Disclosure as a Decision: When facing dilemmas—like telling a boss about ADHD or admitting nervousness—we fixate on revealing risks. But we rarely ask: what are the risks of not telling? Missed help opportunities or emotional distance mistaken for indifference. Weighing both sides leads to more deliberate, often different choices.
- Go Deeper Than Commentary: Everyday conversation often stays at surface level. Calibrated revealing means occasionally adding personal meaning, such as "I'm excited and nervous about this meeting." This extra layer opens possibilities for understanding, coordination, support, and fun.
Revealing as a Skill and Social Scaffolding
Revealing is a skill that improves with practice. In my youth, living in Germany, I never became fluent due to fear of mistakes, while my brother spoke constantly and is now fluent. We need better social scaffolding for safe revealing—norms and spaces where people feel permitted to say "this is hard for me" without judgment. This involves cultural work, like teaching kids to label emotions, and structural measures, such as privacy protections in workplaces.
Conclusion: The Greater Risk
As a recovering privacy expert, I still worry about data security and cringe at performative confessions. However, our preoccupation with oversharing distracts from a quieter harm. Oversharing feels dangerous because it's vivid; concealment feels safer because it's invisible. The greater risk isn't saying too much—it's saying nothing at all.
Leslie John is a professor at Harvard Business School and author of Revealing (Torva).
