These days, people's dogs have become bona fide members of the family. Moving from the kennel to the couch, they share our beds, family rooms, and holidays; and they are recipients of our kindest and utmost concern. A pet partnership is a lifetime commitment. Do it right, and your dog will become an important and valuable part of the family for many years. Do it wrong, and you've broken a sacred covenant between humankind and another living being...