Everyone can be excellent at something. That’s very different from saying anyone can be good at anything—definitely not true. Sadly, lots of people never find work they are truly excellent at because they stay in the wrong job too long. Bosses keep this kind of employee on for several reasons: they’re not sure they can find someone better; it takes time and effort to train new people; and they like the person and feel it would be unfair to encourage them to find a job they are better suited for. This lack of courage and energy leads to a tremendous…