Sustain: I think you definitely conveyed the introspection in your title. The expression is interesting and nuanced.
Improve: The biggest thing that could be improved here is the light across her nose. The difference in brightness and unusual shadow line are a distraction.
I agree about the light, I would normally address it in post. It was a very impromptu shot, couldn't really be helped. Thank you for the commentary, I appreciate it.
Thank you for the commentary, I appreciate it.