Of course whining about that very thought brought on even more changes. After turning into a golden retriever he suddenly began to shiver with anticipation. A strange sensation began around his doggie penis. It felt like IT WAS SHRINKING! Yes, and pulling inward until it formed a wet doggie pussy that was just waiting to be filled.
But wait there's more! Suddenly she began to shrink as the years rolled back until there was nothing but a cute little puppy bitch. She yapped with confusion until she began to change into something else, and on, and on, and on it went. Changing, having sex with various people and animals; first as a female, then as a male, and even occasional as both male and female. This kept happening until the author completely lost his mind.