Deceit -

We’ve all done it. Whether it’s a “white lie” about liking a friend’s cooking or a strategic omission in a high-stakes negotiation, deceit is woven into the fabric of human interaction. While often viewed negatively, deception is a complex psychological and evolutionary tool that serves a variety of surprising purposes. The Evolutionary Roots of "The Lie"

Many lies are "altruistic," intended to spare someone’s feelings or protect them from harm. deceit

How to Tell If Someone Is Lying to You, According to Experts We’ve all done it

The Art of the Untruth: Why Deception is a Universal Human Trait The Evolutionary Roots of "The Lie" Many lies

Psychologists have identified several core motivations for why we bend the truth:

Pop culture often suggests we can identify liars through simple "tells" like looking away or touching one's nose, but experts warn these are far from foolproof. Instead of a single "Pinocchio's nose," look for and deviations from a person's baseline . Paul Ekman, PhD's post - Facebook