It happened too slowly, and Sarah wanted Mathew to change faster. So instead of three days, she made it instant. After the change, she hit enter, and saved her changes.
After that, she went to watch out her back window. She saw Mathew walking around. Then he grabbed his stomach. Suddenly, his clothes disappeared. Standing there, he covered up his penis with his other hand.
Sarah couldn't believe it. Mathew was getting younger. He kept getting younger until he reached 10 years old. Suddenly he became a very, very fat 10 year old.
Next gray fur covered his body. He had long ears on his head. He had a tail. Next, he was a complete donkey. Then..