[She frowns. Of course he's going to feel guilty about what's happened, but... it bothers her how often he seems to talk about himself like this.]

That is not the only meaning to your life. Even if it were, isn't that even more reason to treat yourself kindly? You'll do sloppy work if you're exhausted, and you won't do much of anything if you're gone.

[Why is she even arguing with him? She grips the back of the chair firmly, tilts it back so that it's balanced on its back two legs and starts pulling it away from the desk. And yes, she has remarkably little difficulty doing this.] Now, let's get you to bed.