On my way to work one day, I saw a stray dog. A greyhound mix, he was trotting along the road, his ribs showing through his thin coat. A large black tumorous growth protruded from his side. I stopped my car and got out. I called to him to come, but he just stood there, his eyes fixed on the road ahead. When he started to run again, I followed him. He stopped. I called. He ran. This happened a few times before I realized that I could not interrupt his mindset. Never once did he make eye contact with me or respond with any doggy signal. I couldn’t make…