[ it wasn't playing down his own value (although he did place himself secondary to the resistance) so much as he really hated the idea that if anything happened to the resistance as a result of him being captured, it would be his fault. his fault for giving away the information.

and he didn't want it to be his fault if the resistance failed. not after coming so close to driving it into the ground before. ]

I don't know why you do anything. But I think I got it. You can't. If you tried to go after her, she could fight back. Use the Force. So you go after someone else who's not like either of you. Like you're trying to say something.

[ he knows he's walking on thin ice here, but that never stopped him from doing or saying stupid things before... ]