[Makes the time go faster. Her smile tightens, because Pepper already knows it's more than just that. And while she's pretty sure Natasha's capable of handling pretty much anything, she doesn't feel right not warning her at least.]

I don't think I'll be very good company, and I might keep you up awhile. I haven't really been sleeping well since the draft.

[Although there have been good nights--ones when she fell asleep in Tony's arms, and managed to rest the whole way through. But those are harder to come by even when he is there. Pepper's fully expecting nightmares now that he isn't.]