Mixing up quartzite and marble for two days is a big mix-up, but the TA's move (handing you acid) is even crazier. That seems like a risky way to teach a point. You probably won't forget the difference now.

Read an article last year about how blown-in stuff settles less than batts in weird shaped spaces. They had thermal camera shots showing the difference in old cape cod attics with low clearance. Made me wonder why we ever used batts in renovations to begin with, you know?

People actually quit over spoilers? That's wild, I never considered how much a big reveal could ruin the fun for someone just joining. Your strict rule makes total sense now, keeping everyone on the same page literally saved your club!