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.

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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.

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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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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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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.

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

Hic perferendis in et impedit quo.

It is best not to get involved in a narcissistic man’s failure.

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

Stay away from them.

What can I do when I'm ugly on both outside and inside? What do I do? Cut myself off from the world to make everyones lives better? I'm a monster. I hurt feelings, and I say what was said to me. I feel like I'm nothing but a burden. What do I do?

It is best to leave him alone, and let him face his struggles on his own.