A bit of a tangent comment here on "Practice". Its just too obvious to be useful. What does "practice" really mean?
https://www.merriam-webster.com/dictionary/practice
Its a bit like asking a richman how to get wealthy and says "hard work". "Breathing", would be an equally valid answer.
Its not useful information to state the obvious. In fact its bloody frustrating advice to hear and makes my blood boil, because its not helpful.
Instead, you can greatly reduce the amount of effort you put into learning art by intelligent study. Yes, you will need to do studies, but just "practice" in practice, can often mean repeating and learning mistakes.
Why waste time learning mistakes? So, no don't just "practice". Undertake intelligent study.
For example, in hindsight I wasted so much time with art because I was perceiving the world as 2D lines. I would try to represent an object using lines, and then shading.
I know now that I wasted so much time practicing that (just "practice" right?). What I needed was to learn how to observe the world differently. That is, understand form and light.
Resist the urge to represent using clean lines (unless you want to go for that line art look). You can represent the world in many different ways, even just random scribbles can encode incredible information to the brain.
Don't just "practice" on a problem.