Of course, it takes a lot of time, dedication and effort to become a fitness instructor, whatever discipline you are primarily working in. But as in any industry some people are simply better suited to their role than others. Whether that’s through not keeping up with developments in their field, a tendency to believe anything spouted by a so-called authority without doing their own research, or simply not having the passion that a career in the industry demands, ultimately the person negatively affected is you.