It’s because of all this that he doesn’t notice the way Sirius clings to him in the evening, makes excuses and asks for help and finds new things for them to work on even though they’ve been working on the house all day, and it’s time to separate and go to sleep. He doesn’t notice how Sirius has been coming to the house earlier and earlier, eager to start working, until he walks through the front door one Saturday morning and everything is an aggressive red and gold, from the floors to the ceilings.