How do people break a narcissist man's ego?

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

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.

What does the Bible say about the Antichrist? How will we know when he arrives on the scene?

How Narcissists Make You Feel Unimportant and Unwanted

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

The Sneaky Mind Games Narcissists Play

Were knights’ lances practical weapons, or were they just for sports?

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

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

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.

What do all Indian parents have in common?

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

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.

‘King of the Hill’ voice actor Jonathan Joss is fatally shot in Texas - The Washington Post

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.

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

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

For the first time, an external factor turns a male mammal into a female - EL PAÍS English

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

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

Stay away from them.

Is Billie Piper Playing the Doctor or Rose? 5 Theories About ‘Doctor Who’ Twist - TV Insider