First I'd like to apoligize if I have some mystakes, english isn't my native lenguage :)

I think is about toxic relationships or more specificaly a lovers relationship.
I think that is about her getting sick for all the thing he did to her during the relationship and she's just tired of him playing the victim and telling her that she's the evil one for not letting him do whatever he wants with her. Is about someone who is simply angry and sick of being manipulated and doesn't care anymore of being called "evil" by him just for defend herself