Never rely on a single gesture. Seek multiple "tells" that all point to the same conclusion.

High confidence is often telegraphed through steepling (touching fingertips together), while hiding hands can make a person appear untrustworthy.

Contrary to popular belief, there is no single "lying tell". Instead of trying to spot lies, focus on : do their words match their body language? If someone says "I agree" while leaning away or compressing their lips, their limbic brain is likely signaling the truth. What Every Body is Saying by Joe Navarro Book Summary

Our nonverbal behaviors are primarily governed by the , the "honest brain". Unlike the thinking neocortex, which can filter speech or fake a smile, the limbic system reacts instantly to our environment through survival responses: Freeze: Stiffening to avoid detection.