Donald Trump has a mental health condition known as narcissistic personality disorder. Here are some of the symptoms of narcissistic personality disorder. React with rage or contempt and try to belittle other people to make themselves appear superior.
Have an unreasonably high sense of self-importance and require constant, excessive admiration.
Make achievements and talents seem bigger than they are.
Behave in an arrogant way, brag a lot and come across as conceited.
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