[And Hope is awake. He scrambles into Lightning's lap and mewls at Ellie. He's a Meowstic now, but he hopes his sister recognizes him.] ... I've spoken with him, since he can talk to me via his psychic abilities... He wants to be with his sister.

That they do. Sazh is the only one of my Pokémon who is content just being called a good boy.