19 signs that you're a narcissist and don't even know it

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Narcissists often believe that they're better-looking than others, enjoy taking advantage of and belittling other people, and usually engage in a series of romantic relationships.
We put together a list of 19 typical behaviors of narcissists, based on research and expert opinion.
This list isn't intended to be diagnostic, but it can give you a good idea of whether you or someone you know might have narcissistic traits.
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