Bf refused to do Pilates with me, but did HOT Pilates with his friend and his gf?

I’ve been wanting to try Pilates for so long and was really hoping my boyfriend would try it with me. For context, we’ve been together for almost a decade—since we were 16—and we’ve been looking for more ways to be active together.

I asked him if he’d be open to signing up for a class with me. He said no, he had other things he wanted to do. Fair enough. A month later, I asked again and got the same response.

Fast forward to this past weekend—he went to see his friends. I’m also close with this group, but he convinced me not to go, saying I probably wouldn’t have fun. I took that as him wanting a guys’ hangout, so I stayed back.

One of his friends has been dating this girl for years, and none of us really like her. I especially don’t because she’s always been weird with my boyfriend. On Saturday, I barely heard from him all day. He told me he “wasn’t on his phone.” Okay, whatever.

Then today, I found out he did hot Pilates—not just regular Pilates, but hot Pilates—with his friend and his friend’s girlfriend. And he never mentioned it. I only found out because I saw the receipt. They went Saturday morning.

I literally cried. He’s turned me down multiple times, but the second his friend’s girlfriend suggests it? He’s in. And he didn’t tell me—probably because he knew I’d be upset since I’ve only brought up doing it together numerous times.

When I confronted him, he said it was his friend’s idea. I called BS because what grown man suddenly decides, “Hey bro, let’s do hot Pilates on Saturday morning”? Eventually, he admitted that the friend’s girlfriend had a class booked and asked her boyfriend to join, and then he asked my boyfriend. But I don’t believe it. This girl loves male attention, and I know she was the one who convinced my boyfriend to go. And of course he said yes.

The reason I’m so upset isn’t just the class itself—it’s the pattern. He only seems interested in doing things I suggest if his friends are involved. Last summer, I mentioned some specific camping spots I wanted us to try. He brushed it off. But when this same girl mentioned those exact spots, suddenly he was all for it.

I moved out of our house and in with a friend until he can start showing me more respect, and that he values me as a partner.

ETA: he doesn’t really think it’s a big deal because he said it was a “spur of the moment” thing. That they did not plan on attending this class.. as if that’s supposed to make me feel any better.

I just needed to get this off my chest. I feel sad and honestly kind of disrespected.