[For a moment he can't stop crying long enough to make a response. Kaworu's words are true, of course. He'd been the one to tell Kaworu that the only option was to never give up, and he knows that deep down he would probably face the Witches and die than stay behind while Kaworu went to rescue Yako. But it isn't a simple face the Witches and die situation, because that last time he'd been around Witches...

He'd helped them.]

I... I'm not giving up on her. But I... I'm afraid. [Afraid is putting it lightly. He's practically paralyzed with fear just thinking about it.] I'm afraid that she's in danger and there's nothing I can do about it. I'm afraid that even if I do go to rescue her, I will do the opposite.