How do people break a narcissist man's ego?

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

How Narcissists Make You Feel Unimportant and Unwanted

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

Orton advances in the King of the Ring after the Paul Heyman Guys screw LA Knight - Cageside Seats

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.

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

You Might Be Interested In Reading This On Quora:

Is having white skin really that attractive?

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.

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

Top 10 Reasons Narcissists Accuse You of Cheating

What is your review of "Regent", episode 5 of Season 2 House of the Dragon?

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.

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.

At what stage in your life did you realize, "No, I can't do this any more" and walk out? Why?

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.

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

If my heart stopped beating, would I have enough energy to walk out into the other room 20 ft away before I passed out and died?

Stay away from them.

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

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.

My husband asked me why do I keep on complaining about him cheating. Why don't I just leave?