Fitness is a virtue, once you get in the habit of being fit, there is nothing that can take you away from it. A Fit body is the first step to having a good quality of life because Fitness is a whole sum game. Fitness should not be confused with just having muscles but rather on how the entire body can function as a unit. Also, the definition of being fit depends from person to person but some standard level of Fitness should be maintained by all.