I think we all know people who have for the most part enjoyed exercising throughout their entire lives. They played sports from a young age. They were always on the move as kids – running farther, biking faster, climbing higher, competing harder. On the flip side, there are those who have had to push themselves more motivation-wise in the fitness department. The same degree of activity didn’t appeal from an early age, even all things being equal in living circumstances. How many of us, for instance, know siblings who span the entire spectrum of fitness orientation? What happens not just in childhood but in adulthood when the draw of physical activity isn’t just play but health and longevity. What personalities tend to work out more? Who enjoys it more? And what are the means we can explore to make exercise a more appealing personal endeavor if we’re not among the more naturally gung-ho?