I just expect you all sound like the hockey players on Letterkenny

Canadian slang, especially if you play sports, is like a different language.

Just wait until he gets to There/Their/They're. Half of North America can't figure those out.

These fine details of the language are pretty hard to grasp, even after decades of speaking it.

Which is more of a British way of saying things?

Than is for comparison, then is for time. That's how they taught us in school. For than that holds, then has a bit of a vernacular life of its own, like in "What's this, then?".

It's easier THAN you think.