“I need to check on the fort,” L said a few weeks ago as I unbuckled him from the car seat. “Is it finished?” asked his brother, hopping down from the car. “It’s mostly finished,” I said. “ We still need to accessorize. Let’s go take a look.” Through pine needles, we walked back to the edge of the woods and climbed the ladder to what is basically a six-foot-high, freestanding deck. We take in the 360 degree view that includes a neighbor’s pond, which we didn’t know existed until now. I was excited for them to see it, not only because of the time and expense that had been put into it, but because I had already imagined the games and campouts soon to follow on the platform. (A tent is one of the accessories on our list.) “This is nice,” L said, running to each corner for a look. “Paw-Paw did a good job.” “He did,” I said, my heart filling up. “That’s so nice of you to say. You should tell him that.” “But we need cup holders,” T interrupted and stretched up onto his tiptoes to see a...