How do people break a narcissist man's ego?

How do I know this? My ex was a malignant narcissist who tried to destroy me. He was jealous of his ex who was a psychologist, and he was jealous of me because I was educated and successful.

He moves from woman to woman, unable to be a man and stand on his own. He prefers to take advantage of women, while abusing them and driving them to mental breakdown.

He does this by stealing from them, using them, and abusing them. He does this by trying to be better than you, but most of the time he can’t because he is completely useless. He is often very jealous of successful women.

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A narcissistic or psychopathic man is a loser who has to compete with women.

Instead of trying to do something on his own, he preys on women, not just for money and sustenance, but to crush them.

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Trying to change him or even “break” him is impossible.

Stay away from them.

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These weak men believe that women have more "privileges" than they do.

They are so weak and failed as men, that they will put on a whole show pretending to love a woman they actually hate and want to destroy.