Negreanu suggests we're born with the ability to read people but learn to distrust it. He practiced by observing strangers in public, creating stories about them, and then at the poker table, looking for behavioral patterns (like gum chewing) that correlate with bluffing or truth.

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The hosts of 'Risky Business,' both high-stakes poker players, use the game not just as a topic but as a core mental model. Poker provides a practical framework for understanding probability, risk management, and human incentives, which they assert can be applied to decisions in politics, business, and personal life.

There are no universal cues for lying. Instead of assuming a gesture like crossed arms means someone is being deceptive, view it as a change in their state. This change is a signal to become curious and ask clarifying questions.

From a young age, we suppress our authentic selves (intuition) to maintain connection with caregivers. This creates a lifelong pattern of seeking external validation over internal knowing, leading us to distrust our gut feelings.

An individual's susceptibility to manipulation and fear-mongering is a direct reflection of their internal state. People who are secure and purpose-driven ('winning people') are inherently immune to these tactics. Conversely, those who are insecure and directionless ('losing people') are easily controlled by them, making this a powerful litmus test for self-awareness.

People are practiced and guarded during formal meetings. To understand their true nature, Negreanu suggests engaging with them in informal environments like a meal or drinks. This disarms them, making their reactions more authentic and revealing.

Instead of just observing, Negreanu would fully immerse himself in the persona of successful competitors one by one. For a week, he would try to think, act, and play exactly like them, internalizing their best traits to create a "super player" composite of all their skills.

Trust isn't built on words. It's revealed through "honest signals"—non-verbal cues and, most importantly, the pattern of reciprocal interaction. Observing how people exchange help and information can predict trust and friendship with high accuracy, as it demonstrates a relationship of mutual give-and-take.

Research shows you can accurately guess a stranger's thoughts 20% of the time, a friend's 30%, and a romantic partner's just 40%. In emotional conversations, this plummets to 15%. This data proves why you must ask questions instead of assuming.

The most valuable skill from scouting isn't talent evaluation, but developing a "BS detector" from interviewing hundreds of prospects. Cross-referencing claims and watching people act in their self-interest provides a powerful lesson in the human element of due diligence and the overriding power of incentives.

If a highly successful person repeatedly makes decisions that seem crazy but consistently work, don't dismiss them. Instead, assume their model of reality is superior to yours in a key way. Your goal should be to infer what knowledge they possess that you don't.