[ Truthfully, they're both on dangerous ground, because they can't be doing this, shouldn't be doing this, and yet here they are. It feels like it's too late to back out now, however. ]

Yeah? I've had those days, more often than I care to remember. And for some of them, there's just time for a cup of coffee, forget about a sandwich.

[ More accurately, multiple cups of coffee, but he knows that's not a healthy diet by any means. ]

I get it, you probably can't talk about it because it's classified, but...

[ He's just leaving an opening for her if she wants it. He expects that she'll politely turn him down, though. ]