'Mmm. Just so you know, I'm going to copy everything I need that's relevant to this project. You can look at the file list when I'm done.'

Because he needs information to be able to work, obviously. Alarms be damned.

And then he shuts up, and doesn't move, and doesn't stop typing, reading, scrolling, pushing pages around different screens. Occasionally there's a laugh, or he mutters under his breath, or says, 'no no no,' or more often, 'stupid, stupid' - and sometimes there's even a slight exclamation of surprise, or agreement.

But it's all minimal. Mostly he just sits and works, with absolute focus and no indication that the world outside of what he's making in his head even exists.