I would make a list of things you need (ie. space and quiet to do work) and things you do now vs. your own place. I really just think he has no idea how much time and effort you put into making his life easier. Most of your chores are double because essentially your living two places. I would have him use a day off to do your daily chores. So that maybe he'll realize how much effort you have to put in for you guys to " have it so good". I know it'll be hard to sit there and wait but it's only one time.