I am 33, and I have paid a lot of anecdotal attention to what seems to keep my brain fresh, i.e. able to still learn new skills at a rapid clip. Just by way of credentials: I was a successful lawyer for a few years of my 20s (rising to level of federal law clerk), but then taught myself to program and have been working as a professional programmer since shortly before my 30th birthday. Even though I am on the older s…
I'm 31, and I started learning to draw a bit over a month ago. Progress is slow, but it's been visible. The kicker was when I realized that talent doesn't really exist; talent is built. The sort of people who are "naturally" talented at drawing and arts are likely to be people who are naturally more intuitive (rather than analytical) and will spend lots of time just grinding away at things instead of trying to unders…
I think the understanding of angles, intersection points, transfer of energy, etc. helped me practice as a novice (as well as helped me stay interested). But to get really "good" at something, you need to work at it until most of the skills involved are almost subconscious. (Which aligns somewhat with what I recall from "Thinking fast and slow", which I thought was a great book).