[Distressed? A bit but so was every other situation she found herself in and even then she pressed on how matter how much it hurt. Was he not hurting as well? She may not be able to make him regain what is lost to him but she can try and put gentle reminders that they did know each other.]

It's alright, you have no fault in what happened.

[As for her, she tries to put on a small smile for him. She'll be okay!]

Besides, you told me before that a smile better suits someone like me.

[Oh she remembers what exactly was said at the Vault but that might be too much for him. Probably.]