Snake In A Suit

The label ‘pathological liar’ gets thrown around a lot, especially in the direction of politicians or celebrities. Although it isn't a formal psychiatric diagnosis, it is a recognised concept that psychologists and psychiatrists have been interested in for a long time, at least since 1891 when the German psychiatrist Anton Delbrueck coined the label ‘Pseudologia fantastica’ to describe several of his patients who told an astonishing amount of fantastical lies (other similar psychological terms include ‘deception syndrome’ and ‘mythomania’). So why do people do it?