Note: Some links in this article are affiliate links, which means I may earn a small commission if you choose to purchase through them. This comes at no extra cost to you. I only recommend products I truly believe in and would confidently give to my own dog. Have you noticed that your dog doesn’t run to the door the moment you pick up the leash anymore? Maybe they get up more slowly after a nap. They hesitate before jumping onto the couch. After a walk, they lie down and rest much longer than they used to. At that point, many owners think: “Well… they’re getting old. That’s normal.” Yes,…