Guy Bavli
All insights

Human behavior·June 16, 2026·6 min read

What mentalism has taught me about human behavior

Decades of reading audiences taught me more about how people think than any impossible moment on stage. These are the patterns I see everywhere.

People assume a mentalist studies tricks. Mostly, a mentalist studies people. The techniques took me years, but the real education has been standing in front of thousands of audiences and watching, closely, how human beings actually behave.

The first pattern: everyone broadcasts. Posture, breathing, the half-second hesitation before an answer, the direction someone glances when they recall versus when they invent. None of it is mystical. It is simply information most of us were never taught to read, in others or in ourselves.

The second: people want to be part of something. Every night, hands go up before I finish asking for a volunteer. Behind the fear of embarrassment sits a stronger wish, to be chosen, to be seen, to have a role in the story. Leaders who understand this stop pushing their people and start inviting them.

The third: certainty is a feeling, not a fact. I regularly guide intelligent, skeptical people into total confidence about a choice I made for them. It never fails to humble me, because I share exactly the same wiring. The moment you accept that your certainty can be manufactured, you become harder to manipulate and easier to reason with.

Impossible moments open minds, and that is why I love them. What fills an open mind is understanding, and after decades on stage I can tell you the most fascinating subject on any stage is never the performer. It is the audience.

Written by

Guy Bavli

Mentalist, keynote speaker, and television personality. Decades on stage, more than 5,000 appearances, and audiences in more than 60 countries.

Ideas are the invitation, the experience is live