How do people break a narcissist man's ego?

Top 10 Reasons Narcissists Accuse You of Cheating

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 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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The Fascination with Narcissists: Why We’re Drawn to Them

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

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

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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.

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

10 red flags to watch for on a first date to identify a narcissist

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How Narcissists Make You Feel Unimportant and Unwanted

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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.

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The Sneaky Mind Games Narcissists Play

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

Stay away from them.

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Instead of going out into the world, competing with other men, and improving himself, that's how he lives, just like a parasite.