>>1601762Attached are some points where yiou want to check to make sure your handles for the nodes are all parallel to one another - if they are not, it creates "kinks" in the flow of the curve. Some of these might be my monitor, but I would double-check them, just in case...
You also have some line inconsistencies in terms of thickness - mostly in her clothing.
Blue circle, is an opinion thing; you don't NEED to follow the image exactly - I'd curve this line to make it look more like the curve of an ear (they are not usually this straight)
Finally, the hair line I circled as part of her flowing hair, where two lines merge: it looks funny being this long, for some reason. Not 100%sure why, but if it's bugging you like it does me, then you might want to rethink the approach.
Overall, it was a good first vector. Hope you keep with it!