How do people break a narcissist man's ego?

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.

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

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.

BTS’ Jungkook and Jimin Discharged from Korean Military After RM and V - Rolling Stone

You Might Be Interested In Reading This On Quora:

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.

Japan’s oldest “human” fossils aren’t human at all, says new study - Glass Almanac

How Narcissists Make You Feel Unimportant and Unwanted

Top 10 Reasons Narcissists Accuse You of Cheating

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

Miley declines to address accusations in court documents about death of Tyler Skaggs - AP News

Stay away from them.

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

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

James Webb telescope ups the odds that 'city-killer' asteroid 2024 YR4 will hit the moon in 2032 - Live Science

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

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

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