Learn why we tell lies, the statistics about deception and the cues and clues to spot if someone is being dishonest. Deception is defined as the intentional withholding of information or diliberately misleading information to a participant. We lie. Often for good reason - but we lie. Children can deceive as early as 6 months using fake laughter or pretend crying just to get attention. To maintain healthy relationships, it is a good idea to learn the...