Logic has just been invalidated.
the whole thing looks like a sketch,work on smooth lines, you'r trusting on your digital brushes too mutch..
I also offer you to try make you drawings on canvas with real colors\paint, your 'art' will look better that way.
I used to paint with acrylics before I moved to my flat, but I had to put that on hold because it takes too much space and I have no place to let the images dry and to apply base colors on the woods etc.
I made my own cloud brushes from selfshot photos to rely on them.