tip: lex m/m (mature OR explicit)
Yes, except permanent. And if you were a certain type of imaginative child, you might walk into the room at your grandparents' house and feel like every single thing in it was welcoming you back, and would not want to change a bit of it. Loki felt like every single thing in his room was judging and disliking him as much as everyone else in Asgard, with the exception of his books, and he never got over it. (He even has a theory he was put in green so the court could tell he was one of the princes, even if they never remembered him. "Oh, right, there's the other one, in the green cloak." I'm pretty sure he's wrong about that, but he was convinced of it.