He's like a little kid that wants attention. Getting attention for being naughty is just as good as getting attention for being good, but is much easier.

Imagine, if you will, people in 2120 still using his grave as a gender neutral bathroom. Just warms your heart.

Trump has clinically-diagnosable Narcissistic Personality Disorder. He thinks he's the best at things and brags about associating with the best people. He can only consider himself in his day-to-day decision-making, and only cares about other people to the extent they are useful to him in that moment. He genuinely believes his way of doing things is "perfect."

While it's not unheard of, you really can't expect someone with NPD to ever change. He will never admit fault, ever, because he has demonstrated he will protect his ego at all costs