[Kakashi hesitates. He knows the feelings Sasuke must have right now, but he's not sure how to help. Oh, Sensei. You were better at this! D= Obito and Sasuke keep doing this kind of thing. What to do?]

It's-- [fine. not your fault.]

It's my job to protect you, since you're my student. If you're going to insist on fighting the strongest enemy we have, I suppose the only way to protect you is to ensure that you're strong enough to walk away from that fight again.

[He puts a hand on Sasuke's shoulder and then gets up wearily.]

We'll start when you're fully recovered, hm?