When a pointed question is beaten back with an attack or threat of, 'How dare you...' it's a reliable signal that deception is involved. Trump is a master at this.

Contempt is the only asymmetrical facial expression, so it's easy to spot once you're aware of its signs. One researcher has successfully tracked it in couples as a predictor of divorce. When someone is angry at you, you've still got traction with them, but when they display contempt, you've been dismissed.

High-stakes lying is out of control. And it's costing us big bucks in one way or another. It's not simply a matter of quantifying losses in dollars. It's costing us emotionally and psychologically as well.

Pamela Meyer Quotes