President Donald Trump ratcheted up the emotionally unstable hate in his escalating feud with George Conway, a prominent conservative attorney who is also the spouse of Counselor to the President Kellyanne Conway. And now Conway, who once successfully argued a case before the U.S. Supreme Court and won a unanimous decision, is fighting back.

In a Wednesday morning tweet Trump called George Conway “VERY jealous of his wife’s success,” “a stone cold LOSER,” and a “husband from hell!”

He also falsely denied knowing him and appeared to disparage his appearance.

Trump’s tweet is basically plagiarized from one his campaign manager, Brad Parscale, posted on Tuesday.

The President appears especially angered after Conway tweeted out several psychiatric disorders he suggests are appropriately associated with Trump’s behaviors. Among them, Narcissistic Personality Disorder and Antisocial Personality Disorder.

Conway retweeted several of his old tweets attacking Trump, and ones that were retweeted by Duty to Warn, an “association of mental health professionals warning Trump is psychologicallly [sic] unfit.”

But perhaps his best response to the President’s very personal attack today was a tweet consisting of just three little words: