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Donald Trump appears to be exhibiting many of the outward characteristics of Narcissistic Personalty Disorder (NPD). NPD is a defect in oneâs personality that manifests as an excessive mental preoccupation with oneself â usually to the detriment of everyone else.
This is the kind of self-regard necessary to accuse presidents that they aren't American citizens. So Donald Trump is a massive narcissist. We all know that. But as Donald's show demonstrates ably, Trump doesn't have a monopoly on narcissism by a long measure.