I (16M) was dating a girl (16F) for a long while (about a year and a half) when she started to get into BTS, and it took over her life. She only talked about BTS anymore, she only posted and followed people on twitter that also liked BTS, it was all she would listen to, she spent all of her money on their merch, and stopped talking to all of her friends that weren't into BTS aside from me. At first I supported her new interest, but after a while it got overbearing to the point that I couldn't handle it anymore.

She would try to force me to get into BTS all the time, claiming that "anyone who comes in contact with these boys falls in love". Whenever she would, I would try to tell her about the toxicity of the k-pop industry and fandom, but she wouldn't listen, claiming that the artists were just dedicated and some fans just loved them a little bit too much. (For context, one of the artists broke a leg and still went on to concert, and she claimed it was dedication and he wasn't forced to do it. She also claimed that the fans that tracked the band to an airport and threw themselves on them was "a bit much, but it wasn't that bad")

After I while I just got fed up with it, and broke up with her. She wasn't the person I fell in love with, she had completely changed. Rather than the deep discussions about life and the universe and politics, she just wanted to talk about whatever Yoongi or Jaehyun did that day.

She thinks I'm the one in the wrong because I'm not supporting her, but that's not it at all, I don't think. I broke up with her not because she has an interest I don't have, but because she's a wholly different person and was the kind of person that would be incredibly angry if one of the members so much as took a concert off because he was sick, and I didn't need that in my life. Am I the asshole?