My husband, Peter, and I miss having a dog. I see a lot of dogs on the trail during my daily hike, and so Peter (who is always full of good ideas—usually about things I should do) suggested I carry dog treats. Dog treats have changed my life. When I see a dog approaching me on the trail, I say, “Can I give your dog a treat?” Now and then, someone will say, “No, she doesn’t need one.” These dogs…