Simple Self-critique--
I want to try to smooth the lines out, right now they're clashing with the soft colors.
Color-wise I'm going to add more shadow and highlight, to make the image pop a little more. Especially in the face.
A wallpaper I made out of it, after making some of the afore-said adjustments. :)
Complex
I just finished it, all the errors will become apparent in the next few days.