Ruby's owner had not walked her in daylight for almost a year. She went out late, checked both ends of the street first, and moved fast. It had not started that way. Ruby came home at eighteen months, good with people and easy in the house. Then a loose dog came at them on a sidewalk one afternoon, and after that Ruby saw dogs everywhere. At the end of the block. Behind parked cars. Sometimes where there were none. By the time she called us, she had been pulled off her feet twice and had started turning down invitations that involved leaving the house for long. On the phone, she apologized for her dog. People do that a lot, and it is usually the point where they have decided the problem is them.