Johnny has been with his puppy raiser for more than a year. It is time that he and his partner focus on each other and Johnny focus on taking commands from his partner instead of the trainers.
For Johnny, play is still work. He needs to know the rules of the game. His partner helps him understand what those are when they play fetch.
The whole family is going to learn about Johnny. Starting soon some of the training will take place in his soon to be home. But since you can't play ball in the house, you get to play in the classroom.