There’s a part of walking after 60 that nobody puts in a fitness article. The trackers don’t measure it. The trainers don’t mention it. But if you walk regularly and you’re over 60, you already know exactly what I’m talking about. So let’s be the ones to finally say it out loud. First, the Pee If you’re over 60, you know. Me, I drink my coffee and my water in the morning, try to get out the door to walk somewhere between 9:30 and 11, and the new rule, emphasis on new, because this was not a rule ten years ago is empty the tank completely before I leave. Stand…