Sweet fucking stuff, dude! Your form is marvelous! I would work on perspective and design if I were you though, which is what you're doing with these RIDICULOUS amounts of sketches. Just make sure you think of every object in 3 dimensions. It's a lot harder to draw this way, but once you make seeing every object in 3D…
I made a really simple new brush and tried it out: Then took it for a quick (1-2 hr) study after John Signer Sargent. Very educational, and eye-opening about howlittle attention i pay to detail. I fucked the proportions and perspective waaaay up because I didn't look carefully enough, so instead of waste a bunch of time…