Maybe Blackberry was never very active. Maybe (if he were a stray) he never had time for playing or human cuddling. Maybe most of his life consisted of hiding from predators or scary people. And then his first years at the shelter WERE caged. Not a whole lot of opportunity to learn how to be a happy-go-lucky, carefree cat.

I feel that with pleny of love, understanding and patience, he will learn to have a happy life.