"Very funny," he replies, nearly tripping over a crack in the road. He takes it as a cue to wait until Charlie catches up, at which point he'll shoulder him. "Dont stress too much. They leave you to your business for a few weeks. I've been brushing up on space history in the mean time."

Its accented with a shrug. "Not much to it, or anything else they're trying to shove in my head really. Don't know how long I'm going to keep up with it, seeing that I learn faster on my own."