It's hard to unlearn a bad word. It's easier to see the mistakes on someone else's paper. A pencil without an eraser may as well just be a pen. It's only fun to play school when you're the teacher. Sometimes the best one in the play has the fewest lines.
Twelve is a lot older than eight.
Crawling still gets you there. If you want a kitten, start out by asking for a horse. Your room gets smaller as you get bigger. You can't start over just because you're losing the game. A snow day is more fun than a vacation day.