Early Sunday morning, I went for a 3 mile run. I typically run with my dog, who is nine years old and has learned our running route and routine completely through thousands of repetitions. For a change of pace, I decided to take my daughter’s puppy along for the outing. The puppy is about a year old and very difficult to walk because she is quite strong and still has the characteristic puppy distractibility. This means that you spend a lot of your walking time stopping to wait for her to decide to walk or untangling her from the leash. To run the dogs this weekend, I tethered them together and...
