Malignant narcissists love to gossip. In fact, one of the best ways you can spot a someone with this moral disorder is by their propensity to discuss other people's business and to paint them in an unflattering light, when they are not there to defend themselves. You can also count on them spreading similar dirt about you, when you're out of earshot.
(Occasionally, a covert narcissist will not be an obvious busybody, because she's traveling in circles where gossip is socially unacceptable, such as in a church, so she watches herself. But most people with malignant narcissism and borderline personality disorder cannot control their tongues.)
Malignant narcissists are insanely envious of everything and everyone, so the very fact that you're happy, and they're not, is enough to set them against you. People with character disorders such as this are not happy with themselves, or else they wouldn't behave this way. Although a malignant narcissist does not have an appropriate amount of empathy or remorese, I suspect that deep down they know their actions are terrible, or else they wouldn't go to such great lengths to convince everyone else they are so kind and benevolent.
These types of people are dangerous and malicious, because they can turn your life upside down as long as they are in it. The best advice, if you encounter a female narcissist, is to cut her loose. However, this becomes much more difficult when she's someone you work with. Nowadays, it seems as if every office has a resident bully.
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