Ryan peered out the window as a burly man on a horse shouted, "Rex! Rex! Here, boy!"
Strangely, Ryan felt a desire to run outside. He looked down at his naked body, and blinked. He seemed to be getting hairier. He smiled as he noticed he'd grown a foreskin too. Maybe time travel agreed with him. He was still getting hairier. He felt a bit nervous, and a bit itchy. He decided to scratch his itch.
"Aah, that feels better," sighed Ryan as he scratched his hairy belly. Then he realized that both his hands were still planted firmly on the window sill. He opened his eyes to see his right big toe scratching his belly. He was down right furry now. He yelped in surprise.
A voice called from the hallway, "Rex!"
Ryan knew it was Milo. He looked across the room at the big mirror. He knew what he would see if went over to it. He knew he was turning into Rex, but he still had to see himself in the mirror. He dropped down from the window and trotted on all fours across the room. His ears were flopping against the side of his head.
The metal handle on the door clanked as the latch was drawn back. The door creaked inward as Milo entered.
Ryan opened his mouth, and his tongue lolled outward from his furry muzzle. He stared in the mirror and then turned his head to face the open door. Milo strode toward him, "There you are Rex..."