"To delve deep into Harry, see what these horrors are that he carries inside, then make binding vows to return there and heal him of them," Hermione revealed. "Harry once said that promises made in this house will become actual bonds if you really mean them. Well, I really mean these ones ... I mean them more than anything else I’ve ever sworn to in my entire life. And I’m hoping that if I make the promises so deep inside Harry that he will have no choice but to accept them into the very energy of his spirit, that they will act like a tether to anchor him back inside his mind when I leave it. I’m confident it will work."