Narcissism is way more than refreshing your Newsfeed to see how many likes your most recent post got. This video starts off talking about "grandiose narcissists," the in-your-face-look-how-great-I-am types that usually come to mind. But not all narcissists are loud and proud. "Vulnerable narcissists" are much more introverted. They're still entitled, but instead of craving the spotlight, they're easily threatened and feel like victims when someone challenges their superior self-image.

Thanks to our materialistic culture (and maybe our genes), these personality traits are on the rise in the U.S.—and social media is not helping. The good news: Narcissists can work on being less self-centered. It’ll just take some serious self-reflection and perhaps some therapy to get there.

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