A recent study, published in the Journal of Social and Personal Relationships, introduces a new tool designed to measure ...

Dan Jones answers questions about the dark triad of personality traits, Machiavellianism and how to deal with master ...

Rudeness. Selfishness. Outsized ambition. Elevated self-importance. All might be signs of a narcissist, or someone just ...

A chronic need to hold the car keys to your life is a telltale sign of controlling behavior—and it's a problem. "Controlling ...

Here are some of the key signs of gaslighting in relationships: You constantly question your reality —even on small things, ...

People with NPD or narcissistic tendencies sometimes show a pattern of manipulative, controlling behavior that involves both verbal abuse and emotional manipulation. These tactics can confuse you ...