[At her words, Peter's exhausted stare immediately brightens with surprised uncertainty. What she offers is something he would have happily offered if the tables were turned, of course, but — he's much more unkind to himself. So it doesn't count.]

No, that's — You don't have to do that. I'm literally the worst company right now, and you're gonna just be wasting a whole day you could be doing anything else.

[Does he think he's going to genuinely convince her to do anything else now that she'd seemingly made up her mind? Not necessarily. But maybe miracles really do happen!]