[He smiles, appreciating her taking the effort to listen to him, and the fact that she seems to see things his way, more or less - not because he needs her to agree, but because he's sure things will be easier for her if she can see them that way.]

It is difficult, and please don't hesitate to talk to people about that if you need to. For that matter: you can always contact me, if you want! My name is Atsushi Nakajima.

There's just no point in wallowing about what we can't get back, you know?

[Still easier said than done, of course - for himself, as well. But he's always been determined to try, and time has made it easier.]