I swam, fenced, ran, and skied in high school. All four were on teams, so I enjoyed the camaraderie of my friends while I also found fulfillment in the psychology of beating my own records as an individual athlete. It's a lovely balance for extroverted perfectionists.

ETA: Even now, my favourite sport is weight lifting. I can do it in a team setting, as I enjoy helping others achieve their goals and being encouraged, but I have to be able to set my own agenda and pace.

What is to give light must endure burning.