[Setsuna shakes his head.] I've always been able to kick his ass, I just don't. I've always held back.

But Saya.... She CHOSE to go, even if it was by force. She has to make him understand herself what she really wants, or this sort of thing is going to continue, even after we get her back.

She has to walk away herself. Otherwise he'll twist it to us "taking her away".