Was this being weird or shady?

So my friend has an on off relationship with this guy that I had a crush in. She knew before they got together but I was not too pressed about it because I wanted someone else at that point. But now she makes it a point to make f seem as if I still like him or want him. I don’t even talk about him but she does and says a lot of odd things. Insinuating she thinks that I would be texting him or making up scenarios where I text him behind her back and discussing how she would have to fight me with her friends. I’m trying to understand if I did anything to make it seem as if would do that. I mean I don’t get it. It’s so weird and it makes me uncomfortable like they would all try and come down on me about it. What do I do?
Was this being weird or shady?
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