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Nice looseness. It might help to keep your construction lines lighter. Not sure who your model was, but the left eye (her left, our right) looks too close to the middle of the face, and the ear is too small. When you're doing comparative measurements, it helps to pick a single part of the drawing (Stephen Bauman calls this a "point of truth") to measure everything else against, so that your proportional errors don't compound as you draw. Keep practicing, this is a strong start.

Thanks, good pointer