Arguing with a narcissist can lead to hurt feelings or worse. Narcissists tend to be incapable of "object constancy," which means they struggle with having positive and negative feelings at the ...

Narcissists might be irritating attention seekers - but they are also annoyingly likely to be successful, according to researchers. Even though their personality traits might seem negative ...

But working with a narcissist, on the other hand, can be downright unhealthy. Their selfishness, manipulative tactics, and power hungry ways can be annoying at best and career-ending at worst.