Hey SK,
It's not your fault. I attached tons to Ex T, didn't think I'd find another I could attach too but I did. It was the right decision for me to stick with current T, Ex T couldn't do the trauma and attachment work I needed. I still miss Ex T.
I'm glad you reached out to other therapists. I hope you'll find 1 who is a good fit, has the availability you need, and who knows how to help you build when you're not in crisis. The work done when not in crisis is important but I feel not many Ts where I live know how to help clients in that area. My T believes that crisises or no crisis, it's valuable work and after a lot of sessions, I rarely have crisis yet there is still plenty of work to be done.
I'm offering you hugs and care.