I have eyes and can thus see that this looks perfectly fine and "anatomy" seems to be the latest trendy excuse to claim there's something wrong with someone's anime-styled art.
No, it honestly isn't lacking structure or weight, and her head is not tiny. Seriously, that one is one of the oldest, most ever-changing "criticisms" ever, no one seems to be able to decide what constitutes a "tiny head:.
And yeah, I do, considering I only took like two minutes on this after not being on here for two months, but guess what? Either way, the comment section is an open area where anyone can comment and anyone can reply to anyone else's comment.