I'm not going to do it again on purpose, Rose - if I have the chance to get you then I'm not letting you go. [He honestly meant he wasn't sure because the first time he lost her it was an accident. Technically. He wants to close the distance she just put between them but at the same time isn't sure if she won't just put more there if he does.]

I didn't... Know, then, what I know now. There was still some measure of faith. In something else, I dunno. There's just the one thing now, hasn't let me down. But when we get back, if I'm alive, I'm not leaving you.