After watching many youtube videos, the one that actually helped me was this: https://www.youtube.com/watch?v=k0ufz75UvHs&t=1185s
Tldw: Do an extreme version of agile for getting better. E.g, do 1 minute sketches of a cup 12 times, trying different variations, and understand WHY some variations worked and some didn't. After experimenting, see how other people did it. And do it again.
I used to hate drawing, but after trying this approach for months I think I love it. I do not regret the time I spent learning to draw, and after putting in the hours it changed the way I see the world.