Hey dude, you need to slow down on these studies, take your time !
The studies were for contests that had time limits on them. I promise to do another (few) movie stills with longer time limits. (Just for you <3 lol)
I'm glad that you started updating your sketchbook again. Your studies are starting to look really good. I can't wait to see what you'll do in few more months, if you keep up like this.
Never forget to have lots of fun :)