21 signs you're a narcissist

You're more likely to find a narcissist in the C-suite than on the street, research suggests.

That's because the traits that make narcissists so difficult to hang out with or date - including a constant need for validation, a willingness to control people, and a ruthlessness in getting their needs met - happen to make them super effective at rising up the ranks.

To help you figure out if you (or perhaps your boss) are a narcissist, we combed through the psychology literature looking for patterns of narcissistic behavior. We also spoke with Joseph Burgo, Ph.D., a psychologist and the author of "The Narcissist You Know."

Here are common signs of narcissism.

This is an update of an article originally written by Vivian Giang, with additional contributions by Drake Baer.