Canada resented France for years, because England told him that France abandoned him for Haiti.
It wasn’t until he was much older that he would even talk to the country who raised him and learn the truth.
The reason Matthew/Canada is so quiet is because he is afraid to get judged.
Only Matthew can calm down Romano’s anger bursts with just a hug.
There is only one place that every nation is terrified of Canada beyond belief: the hockey rink.
Imagine Alfred as a kid and every time Matthew would get even slightly upset, he’d scream bloody murder to try and get Arthur’s attention.