It took a long time for me to come here and look at all your stuff. It's totally my fault, they were enjoyable already on the first page I dig your birds a lot, your figures got better as well, I better don't criticize your portraits too much yet.
What do you do wrong when you draw a portrait from your own head? You tend to put the mouth halfway between nose and chin, it should be closer to the nose; the eyes are horribly slanted, the outside corner is usually just a wee bit higher than the inner one; sometimes the cranium is too small - we need a big enough place for the brain and hair has volume too... The eyes are the main culprit if you ask me.
I'll surely return