My two sons are now 26 and 22 and live in Florida. When visiting a while ago, we happened to drive past a high school when the football team was outside practicing. My youngest son started to say something, and I expected it to be about the heat. Instead, he became wistful. “I miss it,” he said. “Sean was right.” Sean is Sean Keenan, his old coach at Millbrook High School and a childhood friend of mine. Sean used to tell the kids to appreciate every moment, even at practice,