Sheer thrill of lying (around age 4, children began to push the boundaries of telling a lie and see if they get away with it. ) Cues that allow you to tell when someone is lieing. Liars provide fewer details ( we don"t monitor nonverbal but we monitor verbal responses, say less to not be given away) Intensification /exaggeration: (friend got the job you wanted you exaggerate your happiness for them. Deintesification:or the opposite, you mute your expression, ie you win the job but don"t look to happy to avoid making friend sad. Masking: expressing a different emotion than what you really feel. Neutralizing: expressing no emotion, ie holding back laughing at an inopportune moment like church. Symmetry- sincere expressions more symmetrical, and vis versa. Duration- sincere expressions last longer,insincere harder to keep up for long. Temperal patterning: sincere appear smoothly slowly and end the same way, insincere more abrupt.