I don't get how these people do that, they're surnatural to me
Learn bit by bit, and never forget to be proud of every little victory! One thing at a time, switch to something else when you're tired of repeating! Yeah repeating's the key, and yeah it's super tiring, so take it easy
Here i'm just dropping little advices here and there, don't see my experience as universal cuz i'm just a small cartoon artist, still trying hard to learn anatomy at 18 x)
AGE DOESN'T MATTER!