I am not sure 🙂 We watched an episode of Bewitched (1960s series) recently and the maestro was extremely condescending when Samantha said she wished to learn piano... "aren't you a bit OLD?" but of course that's a comedy so no idea if that represented how people lived their lives 😊
When I went through the first grade book, it quickly became more and more daunting. Now I realize that I went about it the wrong way, because instead of slowing down and going back to older/easier pieces, I tried to push forward with book 2 and actually lasted a few pieces into the book, until suddenly I found that I had painted myself into a corner and didn't know a way out.
That is why with Alfred 1 and 2 I spent quite some time zigzagging through the books - any time I found that it became difficult to move forward, I'd go back to (almost) the beginning... over and over again. It worked wonders and right now it seems moving forward steadily (but ever so slowly) is no longer impossible. Until it is, and then I'll know what to do...
Of course now there is no way I could go through any book that fast ever again - unless perhaps I'd decide to play through the Little Fingers book 1 - or anything else that starts with Cee - Cee - CeCeCeCe - Ceeee 😁