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15 min 15 sec
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The Truth About Trust: How It Determines Success in Life, Love, Learning, and More

Shows how trust works as a running bet between short-term temptation and long-term gain, how hormones, power and context shape it, and how to judge other people, and your own future self, more accurately.

Table of Content

Most people judge trust by gut feeling and folk wisdom, watching for shifty eyes that, according to the research, reveal almost nothing. In The Truth About Trust, Northeastern University psychologist David DeSteno argues that trust is a constant bet: you wager that someone will value your shared future over a quick selfish gain.

That bet runs through learning, love, work and life online. It is shaped by forces most of us never notice, from a nerve in the chest to the price of the car someone drives. Even your own future self is a risky partner. In one of DeSteno’s experiments, 90 percent of people cheated after insisting they never would.

What follows explains where trust comes from, who tends to break it and why, and how to read it more accurately, starting with the state of mind you carry into the room.

Lending money to a friend you like looks like a simple choice. Underneath it sits a tug of war that evolution built into every person you deal with, and it never fully goes away.

Before you have consciously decided anything about a stranger, your heart and stomach may already have voted. A nerve, a hormone and some furious monkeys show what those signals mean.

Toddlers seem easy to fool, yet experiments show they keep a running score of the adults around them. What earns their confidence, and how long a record of repeated errors keeps following an adult, may surprise anyone who teaches.

Two couples can hear the same request for a big sacrifice in opposite ways. A study of partners talking through hard goals shows what decides whether the request lands as a burden or a gift.

A researcher stepping onto a crosswalk learned something unflattering about drivers of expensive cars. The finding cuts two ways, and it matters for anyone who depends on a boss, client or partner richer than they are.

One hundred people swore they would never cheat on a simple coin toss. A hidden camera recorded what they actually did, and their excuses afterward were even more revealing.

Shifty eyes are the classic sign of a liar, and the classic mistake. Photos of athletes in triumph and defeat show why one expression, read alone, can mean its opposite.

Online, the cues you normally use to judge people disappear, which creates room for deception. Yet a virtual nurse named Louise shows the same gap can also be used to help.

DeSteno’s book adds up to a simple, unsettling picture: trust is never settled. It is a bet placed again and again, and whoever sits on the other side, whether a partner, a powerful client, a stranger behind an avatar or you next week, always has some short-term reason to let you down. What tilts the bet is mostly invisible: the state of your body, the status of the other person, the setting around a smile.

His most practical advice concerns the state you bring to the moment. Walk into a first meeting angry or nervous and you have already narrowed your ability to trust; arrive extremely relaxed and you may trust someone you should not. So after an emotional event, take a few minutes to settle before forming an impression, and when much is at stake, stay calm and watch closely. Judge groups of signals over single gestures. And put your good intentions somewhere your future self cannot ignore, on a note or in an app that holds you to them.

Trust is worth its risk because cooperation earns what no one earns alone. The skill lies in seeing that risk clearly.

About this book

What is this book about?

Every day we decide whom to rely on: a friend who wants a loan, a teacher, a partner, a stranger online. Most of us make those calls on gut feeling and folk wisdom, such as the belief that shifty eyes give a liar away. Psychologist David DeSteno argues that this belief is wrong. In his account, trust is a gamble that the other person will value the relationship over an immediate selfish payoff. Evolution left everyone torn between the two. DeSteno follows that tension through the vagus nerve and oxytocin, infants who prefer the helpful puppet, couples weighing big sacrifices, wealthy drivers who skip crosswalks, and a coin-toss experiment where people who swore they were honest cheated anyway. Readers learn why no single gesture reveals trustworthiness, why power makes people both less trusting and less trustworthy, why their own future self is a risky partner, and how online life removes the cues we normally use. The book closes with practical habits: settle your emotions before judging someone, and give your future self reminders it cannot ignore.

Book Information

Rating:

Genre:

Psychology

Topics:

Human Nature, Social Psychology, Trust

Publisher:

Penguin Random House

Language:

English

Narrator:

Jenna

First published:

January 30, 2014

Pages:

288

Length:

15 min 15 sec

Get the book:

Amazon

Who it's for

  • Managers, teachers and trainers

    Managers, teachers and trainers who need people to believe them and want to know what earns that belief.

  • Dealing with the powerful

    Professionals who deal with powerful clients, bosses or partners and want to judge whom to rely on.

  • Breaking promises to themselves

    Anyone who keeps breaking promises to themselves and wants practical ways to hold their future self to account.

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About the Author

David DeSteno

David DeSteno is a professor of psychology at Northeastern University, where he leads a research group on social emotions. His research on how the mind shapes moral behavior has been funded repeatedly by the National Science Foundation. He earned his Ph.D. in psychology at Yale, is a fellow of the Association for Psychological Science and the American Psychological Association, and served as editor-in-chief of the journal Emotion. He writes about behavioral science for The New York Times, The Atlantic and Harvard Business Review, and co-wrote Out of Character.

Ratings & Reviews

Ratings at a glance

4.1

Overall score based on 76 ratings.

What people think

Listeners find this book thoroughly researched and full of psychological insights, positioning it as an enlightening guide to understanding human trust. The work is praised for its reliability and quality of information. While some listeners believe it is a fantastic read, others remark that the content isn't particularly engaging.

Top reviews

Cherry

David DeSteno has completely flipped my perspective on how I interact with my colleagues and family. This book suggests that trustworthiness isn't a fixed personality trait, but rather a moment-to-moment decision influenced by our environment and current power dynamics. The truth is, I used to think people were either 'good' or 'bad,' but now I see how context shapes every choice we make. His research on how power degrades our integrity while sharpening our ability to lie was particularly eye-opening and a bit terrifying. I found the chapter on how children develop trust especially touching and insightful for my own parenting journey. This is a must-read for anyone who wants to understand the invisible threads that hold our society together.

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Hannah

Finally got around to reading this and it honestly holds up remarkably well despite being a decade old. DeSteno manages to explain the deep-seated psychology of trust in a way that feels incredibly relevant to our current era of rampant misinformation. I love that he includes information on attachment styles and how our childhood influences our adult willingness to take a 'bet' on others. Every page is packed with insights that challenge the common fallacies we hold about integrity. It’s rare to find a book that is both academically rigorous and deeply practical for navigating modern relationships. Seriously, go buy this right now if you want to understand why people act the way they do.

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Yuki

Wow, I didn't realize how little I actually understood about the mechanics of human connection until I finished this. DeSteno’s explanation of how relationships move from exchange-based scorekeeping to communal trust was a lightbulb moment for me personally. It explains why some friendships feel effortless while others feel like a constant negotiation of favors and debts. The research is top-tier and the way he bridges the gap between evolutionary biology and modern social media is masterful. Not gonna lie, I was skeptical at first, but the data is just too compelling to ignore. This book provides the keys to being more resilient as an individual.

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Narongrit

Picked this up because I’ve always been fascinated by how we decide to rely on strangers. David DeSteno presents a deeply researched look at the mechanics of trust, arguing it’s less about character and more about a calculated gamble based on current needs. To be fair, some of the sections on digital trust felt a bit dated now, but the core psychological principles remain incredibly solid. I particularly appreciated the distinction between integrity and competence, as it explains why we might trust a skilled surgeon who has a terrible bedside manner. The writing is accessible, though it occasionally veers into the dry territory of academic reporting. It’s a great guide for anyone looking to dismantle their own biases about how they judge others.

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Lars

Ever wonder why you keep trusting the wrong people even when your gut says no? This book explains the semi-conscious calculations our brains are making behind the scenes. DeSteno highlights that when we see someone as consistent, it’s often because their environment hasn’t changed, not because they are inherently moral. Personally, I found the section on jealousy requiring a triad to be a brilliant observation that I hadn't considered before. It’s a solid 4-star read that offers practical takeaways without being overly preachy or simplistic. If you like behavioral economics, you will definitely find value in these pages.

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Maksim

As someone who works in human resources, I found the sections on power and deceit to be hauntingly accurate. DeSteno explains how high-status individuals often lose their ability to empathize, which in turn makes them less trustworthy over time. He encourages us to examine motives rather than just relying on a person’s long-standing reputation, which is a vital lesson for any professional environment. The writing can be a bit dense with citations, but the payoff is worth the effort if you stick with it. I gave it four stars because I think it could have used more real-world anecdotes to balance out the heavy reliance on laboratory data. Still, it’s an incredibly insightful guide for anyone managing teams.

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Chokdee

After hearing about DeSteno’s work on a podcast, I decided to dive into the full text. There are some truly fascinating nuggets here, especially the 'white coat effect' of technology and how we subconsciously trust machines more than people initially. However, I found the middle section on economic demand and 'mental accounting' in relationships to be a bit of a slog. It’s a very informative guide, but not necessarily an 'interesting' read in terms of narrative flow or engagement. To be honest, I think most readers would get the gist from a long-form article rather than needing the whole book. It’s definitely well-researched, but the pacing is uneven throughout.

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Nadia

The chapter on cyberspace was what originally drew me in, but I ended up feeling lukewarm about the overall execution. While DeSteno provides a wealth of psychology lab experiments, some of the 'practical' advice felt a bit obvious, like the set of visual clues for detecting cheating. We already know that someone crossing their arms or touching their face might be hiding something, so I didn't need twenty pages of data to confirm it. In my experience, the book works better as a collection of interesting facts rather than a cohesive manual for life. It’s okay, but I wouldn't call it life-changing for anyone who has already read a lot of popular psychology.

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Woramet

This book is a bit of a mixed bag for me. On one hand, the concept of trust being a gamble on your future self is a mind-bending way to look at procrastination and self-discipline. On the other hand, the prose is quite dry and feels like it was written for a textbook rather than a general audience. I appreciated the debunking of several trust fallacies, but I found myself checking how many pages were left more often than I’d like. It’s a 3-star read: informative and scientifically sound, but just lacking that spark of excitement. It’s good for a reference, but maybe not for a weekend cover-to-cover session.

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Elena

Not what I expected given the high praise I’ve seen on social media. While the book is packed with psychological findings, it felt a bit like a clinical attempt to solve a human mystery that requires more soul than science. Look, the author completely dismisses our ability to read facial expressions as a viable way to detect deceit, which just doesn't align with my lived experience or intuition. It felt like the experiments were conducted in a vacuum that ignored the complexities of real-world context. Frankly, the whole thing felt a bit cold, turning human connection into a series of robotic transactions. If you want a warm, relatable self-help book, this definitely isn't the one for you.

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Questions about this book

David DeSteno argues that trust is a gamble: you bet that another person will value your long-term relationship over a quick selfish gain. Evolution left everyone tempted by short-term rewards, especially when they will not be caught, yet cooperation brings gains no one can get alone. He traces how the body, childhood instincts, romance, social status and online life all shape this bet.

Not from any single cue. DeSteno says gestures such as shifty eyes reveal nothing on their own. Accuracy comes from reading a set of signals together and from the situation, including who is showing the cue. Viewers misread athletes’ faces when they saw only the face, and the same smile feels safe from a friend and suspicious from an enemy.

Trusting yourself means betting on your future self, who acts less predictably than you expect. In his coin-toss experiment, every one of one hundred people said they would not lie about the result, yet 90 percent cheated when a hidden camera was watching. Later they justified their behavior, claiming that circumstances left them no alternative or that the act was actually justified.

Calm down before judging someone, since anger or nerves limit trust and extreme relaxation can make you trust too easily. After an emotional event, wait before a first meeting, and watch closely when stakes are high. Read several cues together, be careful relying on people with far more power, and use reminder notes or apps to keep your future self on track.

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