You have a natural flow through out your artwork. The collar and hair leads the eye through the portrait in a calm but interesting focus. The face seems to me to be the center of focus and is beautifully rendered. The eyes capture my heart as she looks thoughtfully away.There is however a mechanical problem with her ear. Her head is on a tilt which adds interest to the portrait but her ear is not incorporated in the tilt. Her ear is more straight up and down. You are a very good artist and you can bring pleasure to many with your art. Over all, I must say well done!
I'm still raw on drawing/sketching etc so I don't have what you might think 'wise and knowlegable' But in my thoughts, you will HAVE to be one of the most talented artists I've ever chanced across. Absolutely stunning!