Have you ever met anyone like Seinfeld’s George Costanza, vacillating between submissiveness and obstinance? Perhaps an employee who’s a “yes man” when asked to do a project, only to become ...

Imagine asking a coworker to help you on a project, and although they agree, they suddenly "forget" whenever the deadline approaches. Or a friend saying "you look beautiful today, I barely recognized ...

Utah’s roads were ranked among the most passive-aggressive in the nation. It was meant to be lighthearted, but it triggered a ...

As "narcissist" becomes the catch-all insult of the social media age, here is the crucial difference between everyday selfishness and a serious personality disorder.