Because I know how to care for them, walk, train, play and massage Had some training, and trained my dog-he knows about twelve-fourteen commands. Also have had different breeds, retrievers, siberian huskys, racing dogs, mixed breeds, german shephards, pit bulls, terriers, and most of them were either rescues or adopted Have done pet sitting,including overnight, walking, for about eight years,and owned pets since I was about twelve years old. And also know how to have fun with them