I think I experienced covert sexual abuse from a friend

Growing up, I was emotionally abused by my best friend. We were best friends from about age 3 or 4 until I was 15. I realized at about age 15 that she was emotionally abusing me, and I ended the friendship. Now I'm wondering if she might have been sexually abusing me, too.

I didn't really have other friends for the most part because I was shy and I was scared to make other friends because of my abusive friend (she got extremely possessive and upset about this type of thing), so I don't really know what was normal. Growing up, we would always change clothes in the same room. As very young kids, this didn't seem weird to me. But like...thinking about it, when we were preteens/teens, it seems a little...weird. Especially considering she was anorexic and would CONSTANTLY make comments about her body as she stood there naked and would grab her boobs and just like...kind of feel everything and look at its size and I think even comment on her pubic hair (at the time it didn't seem like a sexual thing, it seemed more like something she was doing because of her ED. now I don't know.). She would also always be with me whenever one of us used the bathroom...like for some reason, we always went to the bathroom together. She was a little older than me and was more "assertive" (ie abusive - but no one realized it), so I just sort of submitted to whatever she wanted and didn't question it. But now I'm thinking it's weird.

I had an extremely upsetting dream about her trying to have sex with me last night and touching my private parts. (In the dream, I felt trapped and like I had to try to do it for her and just extremely confused about my feelings.) She never touched me in real life, at least not that I can remember, but it made me start thinking about this past stuff. Is this covert sexual abuse? She would also make comments about how she viewed our friendship as being more like a married couple because we were so close, which made me feel kind of weird even when I was younger. (If you need more info, I can give more...not sure about the sexual abuse, but I can say with 10000% certainty that she was very emotionally abusive to me. Controlled everything down to how often I shaved my legs.) I'm in a relationship with a boy now and I've noticed that physical stuff scares me....the day we made out for the first time, I enjoyed it while it was happening and felt safe, but afterward I absolutely panicked (I believe I had an emotional flashback) and felt like I was in extreme danger. Couldn't figure out why because I've never been touched inappropriately, so I just assumed I hadn't been sexually abused. Now I don't know...any thoughts? I'm seeing my therapist tomorrow and am going to bring it up to her.