"If I can get her that way, I want her to stay that way," Sokka replies, eyes on the books.

The hellhound snarls back at him.

"I just... if I give her an excuse to argue it, she'll sell herself right back for me and then I won't have any way to get her back. But if I find the right way, if I find something she can live with, then she won't fight it. She'll let it go and just... live."