"No." Gerome answered Tidus without even needing to think about it. He had no hobbies. As far as he was concerned, anyway. Inigo might want to say wyverns, but that wasn't a hobby. Minerva was his only wyvern and she was his family. Everything else he did was either necessity or self-preservation. A hobby would imply fun and frivolity. Neither of those things Gerome ever had time to indulge in.