My daughter got a new puppy, and little “Mochi” is about four times the size of my Yorkshire terrier. Mochi doesn’t simply walk as most dogs do. She prances—like a joyful expression of being alive. When I take Mochi out on a leash, she stops to watch two people throwing a ball. Her head turns curiously at the sound of a car. She stares in wonder at a flock of birds overhead. She doesn’t chase squirrels yet because she’s too fascinated to do anything but stand and gaze. So I’m patient with her never-ending stops because her innocent fascination with…