"You can teach others once you have the rulebook," Kaiba insists. He went to all that trouble to write it out and type it up for a reason...

But he digs in with his stubbornness. "I miss my brother every day. It hurts, that he's been without me over a year..."

But at least he's determined to make it back there. "But I don't want to let go of all of you. I...like this life too. I'll steal a voidcraft myself if I have to, to find you again."