> Do they have the work ethic and professionalism to continue to do so? It is a rare person who has enough work ethic to force themselves to use their own free

> Do they have the work ethic and professionalism to continue to do so? It is a rare person who has enough work ethic to force themselves to use their own free time to improve in a field they don't have any passion for. If that weren't so, we'd see a lot more self-taught physicists, mathematicians, and other STEM people. > The vast majority of people, including those who excel at their respective fields, don't love their jobs. People who excel in their fields don't love their jobs? As kids nowadays say, "[citation needed]".