Many of us know people in our lives--whether at work, in our family, or among our circle of friends--who take their athletic pursuits pretty seriously. Whether they're amateur runners, swimmers, lifters, tennis players, or triathletes, they approach their workouts, their competitions, even their fun in a very methodical, purposeful, almost scientific way. They know it's the only way to grow and improve. Surprisingly, many of these same people treat their chosen profession with a much less serious or methodical approach. They have much to learn--from themselves! In the brief slide show below, we share just five attributes successful salespeople have in common with successful athletes. Who should you be sharing this with?