According to recent studies, we will be lied to between 20-200 times on any given day and over the course of one week, we deceive people up to 30% of the time. So why do we lie? And what motivates us to tell these little - or sometimes big - lies? Lying expert and author Pamela Meyer joins William Shatner on this week's episode of 'I Don't Understand' to delve into the science behind deceit and how we are able to detect when someone is lying to us.
