Here we are, again, standing half-asleep in the dark, on the edge of the lawn, watching the dog pee. He looks back at us as he leans forward. In the first weeks after we brought him home, we would do our best to avoid eye contact while he relieved himself: an earnest — if silly — attempt to respect his privacy. We didn’t know then that dogs are not modest. Later, we read in a book that the reason he looks back is to confirm that we’re paying attention. He’s making sure that we can protect him while he’s at his most vulnerable. Now we know to meet his eyes, give him a little nod, and tell him good boy as he shakes off and trots back…