According to Trump, women are either fat pigs, horse-faced, ugly, dogs, crazy as a bedbug, nasty, birdbrains, whack jobs, or else can only succeed because they are beautiful or give blowjobs to the right people. But of course he doesn’t just pick on women. After the latest round of Trump campaign slut-shaming, I tried to think of any group Trump hasn’t insulted. Black people are low IQ. Muslims hate America. Jews who vote Democratic should have their heads examined. Reporters are public enemies.

Trump has mocked people with disabilities, Gold Star families, soldiers who died in war. Straight white Christian male Republicans are safe — unless they dare to cross him. African countries are shitholes. Immigrants are criminals, rapists, drug dealers, disease carriers. Poor people are morons. Anyone who believes in climate change, or that the last presidential election was free and fair, is a sucker who has fallen for a hoax.

What lies behind such relentless disrespect? Once upon a time, Trump was a handsome young prince, the scion of a racist real estate mogul who made him a millionaire by the age of eight. He learned all the skills a con man needs, including how to respond if anyone called him a fraud, a thief, or a sexual opportunist: “I know you are, but what am I?”

Owing to a lifetime of getting away with countless financial and sexual misdeeds, surrounded by sycophants, and protected by revolving squads of conscience-free lawyers, Trump is convinced he is invulnerable. He believes he is still young, strong, and handsome. His mind is clearly in tatters, but he continues to think he’s the smartest person in the room.

Who does get Trump’s respect? Tyrants. He makes puppy dog eyes at Putin and cherishes love letters from Kim Jong Un. He envies their ability to kill their enemies. Trump can only insult his.

I am proud to be part of some of the communities for which he has shown so much contempt. They comprise most of the United States, and really most of the world. If you haven’t been insulted by Trump yet, you’re just not trying.

(For a comprehensive list of Trump insults on Twitter, see https://www.nytimes.com/interactive/2016/01/28/upshot/donald-trump-twitter-insults.html)