Ultimately, the cities of the heart evolve, and so must their maps. Treat them as living documents with marginalia, seasonal routes, and revisions. Augustine’s Confessions (c. 400 CE) reads like updated editions—each chapter a new district annexed by reflection. I’ve seen families create “atlas nights,” taping floor plans and recipes into a shared book; over time, the legend deepens, the routes branch, and the atlas becomes a commons. In this way, what began as solitude turns outward into a trail others can follow—and, in following, extend. [...]