[Averts his gaze, knowing that he can't make him understand, can't make him see this the same way he does.]
It'll have to be enough. [He doesn't say he couldn't or wouldn't be with her-- with Himawari-chan, it's always been different. It's never been about the price, never been about her wasting her life; she doesn't, she lives it, because she knows that's what he wants for her. At least now, when they both know they can't be together.]