Regarding the differences in self awareness between Biden and Trump, from my observations the main differences are in motivation, intention, aims, and the goals they want to achieve personally and in their respective roles as President.

In my opinion, Biden put his own health and well-being needs after the need to look after the country and take the right actions for the greater good. Trump's motivation, intention, aims and goals are totally centred around his own wants and needs and to hell with anyone or any institution or country who gets in his way.