I used to bounce out of bed at 5:30 AM, lace up my running shoes, and hit the track before my brain even registered that I was awake. That was in my twenties, when my body forgave everything. These days, if I even think about going from horizontal to sprinting without warming up first, my hips send me a very strongly worded letter by noon. A few years ago, I started doing something that sounds almost too simple to matter: fifteen minutes of mobility work before anything else. Before coffee. Before checking my phone. Before the world starts making demands.…