For improving ARFID is Timing Everything?

As I’ve dove into finding stories of others who have had success improving their ARFID I’ve noticed that pretty much everyone has had to try numerous methods to help introduce new foods to their diet. There’s no one method that’s worked for everyone. I’m wondering if the timing of the therapy is as, if not more, important than the therapy itself. Is it possible that no matter how beneficial a treatment could be, if our minds and bodies are not ready for change than maybe none will happen? It took me three tries with hypnotherapy before it started working for me. Why didn’t it work the first two? Would other therapies have worked in those two cases? I have no idea. Its just my opinion but I think there needs to be an alignment between trying a therapy and being ready to succeed.