Do you think abusive relationships have to be between couples?

Eliza
So I realized that abusive relationships don't necessarily mean that it's between a boyfriend and girlfriend or girlfriend and girlfriend or boyfriend and boyfriend. An abusive relationships can also mean an abusive friendship. I just got out of an abusive friendship in which I was living with her and she basically had one set of rules for me and one set for her and even though I followed those rules, tried to make her happy, and honestly just tried to not be in the room if I could help it, I still somehow made her mad. Mad enough for her to create an entire chat with the other girls we lived with just so she could talk bad about me. So much so that they eventually stopped talking to me. She alienated me from all my friends. She destroyed my mental state. I've been paranoid ever since finding out a few days ago that she's been spreading it to more people or if other friends are doing the same. So what are your thoughts, can abusive relationships only mean between couples? 

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