"Oh, for fuck’s sake." Hands in the air: why do you bring me things that are already broken? When she still doesn’t understand, he snorts at her. "Your brain responds physically to what’s going on. It adjusts to new input. Normally that’s not an issue because it takes days. And frankly most people don’t have an awful lot going on up here." Tapping the side of his head. "You know what the most alarming thing is about working my job? It’s seeing how small the files are. A living self should be all huge and shiny. Nope. Small enough to fit in a jam jar, mostly. Couple of fireflies going round and round each other, that’s all. Sometimes you get, you know, a disco ball. Not a lot. So then you start looking at people in the street: are you real? Are you a jam jar or a proper lightbulb? And then you ask the same thing about yourself."