I was thinking about it anyway. Running with the 25-year-olds was already starting to cost more energy than it's worth. And then tonight, defending a corner kick, the ball went just past me and I turned to follow it and an opponent headed the living shit out of it, and from about two feet away the ball hit me in the temple and everything went dark for a moment. I dropped to a knee and among my many thoughts as I knelt there in the grass was, "It's time."