Sounder had lost his identity.

Joy had unhinged his mind and had made him a dog of double personality.

He had always been unsocial with me, never responding to my attempts to caress him, but now he leaped into my arms and licked my face.

He had always hated Jones till that moment, when he raised his paws to his master's breast.

And perhaps more remarkable, time and time again he sprang up at Satan's nose, whether to bite him or kiss him, I could not tell.