[she tells herself the others made it, and cassian understands that. he knows the death star plans got out, he knows they got to leia organa herself, but he doesn't know how. he has to believe there were survivors out in space, even if everyone on scarif died.]

[maybe this holiday is good for some people, if she is talking so openly about her and her team's own demise. he just doesn't know if that's good or bad yet.]

My last mission went similarly. We all fell in pieces, but I don't know the details for the others. [for someone who has a compulsion to know things, he's surprised he hasn't wondered too deeply more about it.]

[he doesn't want to say sorry, because it always feels awkward when people say it to him. sorry you're dead! let's get lunch!]

They could have. I have found people are quite resilient even in the face of so much death. That kind of hope is - important.