Injuries obviously change the way you approach the game.
Revenge is an act of passion; vengeance of justice. Injuries are revenged; crimes are avenged.
Eventually, competition and adventure wane, and I enter my ibuprofen phase. Tweaky hamstrings and achy knees restrict mileage, but I continue running for health, sanity, and the ritual of a Sunday trail run with like-minded buddies. We discuss the nagging injuries that bedevil us, and remember the good old days when we were kings.
Swimming is probably the ultimate of burnout sports. It's ironic because millions of people who swim as their regular exercise love the meditation aspect of it; you don't wind up with any orthopedic injuries. But when you swim at a world class level for hours and hours - the loneness of the long distance runner.
As a former football player who has carried a football more than 4,000 times, trust me, I did not go into ballroom dancing with my body being 100 percent, with no aches or pains or ailments coming with me. When you're dancing, you're doing stuff that your body's not used to, and so you start to aggravate those old injuries.