“Replying to ur question about the mark schooling thing (sorry for late reply). But yes! It was first taught for me around age 10 in that school system so he should have barely“

-just to reference, I’m Canadian and many schools introduce it at 12/13 or in high school, at least that was the case in my school

So if he was in Canada, that means he would have left to Korea just before learning it

Which is why I suppose I can think of giving him some grace