Disclaimer: I do not own Hetalia. Brotherly NorIce or not so brotherly if you want to see it like that.
He never complained, he didn't speak up, he didn't show how much it bothered him. He only acted like normal, he only smiled that little smile to Iceland and he never took that opportunity the younger man left open each time to respond. Norway let it all go as the other wanted.
He didn't want things to be otherwise, he'd early on decided that this was alright, too, because the other option, that the other didn't care for him like he did, was too terrifying one that this, this he was happy with.
So it was alright that he didn't smile much at him, it was alright that Ice huffed and didn't tell him everything like he would've before, because he still had a tiny little piece of the Icelander's heart and so long as he could go there every now and then, he knew everything would be alright.
All he needed was that little piece of Iceland's heart.