So, my best friend and I have been planning a girls' trip to Barcelona for months. We’ve always talked about doing this, and it was something we were both really excited about. The plan was simple—just the two of us, catching up, exploring the city, and enjoying some time together.

But about two weeks before our flight, she started seeing someone new. I didn’t know him very well, but she was constantly talking about him, and it was clear she was really into him. Then, she told me she was thinking about inviting him to come along with us on the trip. I didn’t think much of it at first, but as she kept pushing the idea, I got uncomfortable. This was supposed to be a girls’ trip, and I honestly didn’t want a third person, especially her boyfriend, tagging along.

I tried to be understanding but told her that I was really looking forward to some quality time with her, just the two of us. She got upset and said I was being unreasonable, that I should be happy she found someone special, and that I was making a big deal out of nothing. I felt like I wasn’t being unreasonable, though. This was supposed to be our time, and I didn’t want the dynamic to shift.

The argument went back and forth for a couple of days. I kept telling her I was looking forward to our plans, just the two of us, and she kept insisting that her boyfriend could just come for a couple of days and it wouldn't be a big deal. I didn’t agree, and eventually, she said that if I wasn’t okay with it, she’d just cancel the whole trip. I thought she was bluffing, but she actually went ahead and canceled her ticket.

She told me that if I wasn’t going to let her bring her boyfriend, she wasn’t going at all. I didn’t want to lose my best friend over this, but I also felt like I was right to want some time alone with her, especially since this was something we’d planned for so long.

Now I feel guilty but also frustrated. I didn’t want the trip to fall apart, but I also didn’t think I was wrong for wanting it to just be the two of us. Was I out of line, or is she being too dramatic? AITA?