Do You Know What's Hard?

Almost every one of my students has has, ah, you know, i sort of, i have in ind for how it's going to go. And then almost every time, it's not exactly that. There 're some subtleties along the ways. Sometimes there's improvements on what i was suggesting that they discover on their own. So back to kids, they also don't know what's hard. You know, even edition, like i'm doing this now with my five year old, there's like five different kinds of edition....