>>50546076He was always supportive of Ash, he watched his league battles in Kanto and Johto. Not to mention that Ash is by far the most successful of all of the trainers that left his lab that day. Gary is doing well but stopped battling competitively, and the other two nameless trainers dropped out before even finishing their run of the Kanto gyms.
>no issues keeping all of his Pokemon in his labBecause he's a professor. He researches Pokémon. Ash sends him new Pokémon to research, often from exotic lands he has little experience with.