Author-san, Just. Please give her someone that's truly loves her for whatever she is, someone that can take good care of her.
P L E A S E!!!! I'm Begging You, it's too painful for me to read :'(
First thing she ought to do is to cut her hair down just so it wont reach pass her shoulder. It would release a physical weight of her head and allowing for airflow to cool her scalp, back neck and shoulder. It would do wonders to relief stress for a tiny bit.