For humans, researchers suggest that as our social networks became more complex, so did our need to manage how others perceived us. Deceit allowed early humans to: Keeping food or mate locations secret.

Using "prosocial" lies to maintain harmony and social bonds. The Psychology: Why We Do It

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

To avoid punishment, criticism, or embarrassment.

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

Deception isn't just a human flaw; it's a survival strategy found throughout the animal kingdom. From anglerfish luring prey with a fake "worm" to butterflies with false eyespots to distract predators, "lying" is often about gaining a competitive edge.