Me personally it took around 6 months to feel real freedom, then around another 4 months to be totally anxiety free, where I only got anxious when I should be, like most other people and not for no reason.
I am telling people this so they don’t have impossible expectations.
On setbacks, I had many, but again you have to understand what a setback is, to realise that it is totally normal and a good thing.
Anxiety as I have said before is just negative energy trapped within the mind and body, the energy needs releasing, there is no other way to get rid of it.
It almost feels like the physical symptoms come first then my mind makes up a scenario to go along with it. The first step and one that you have seen is that most of the things you worry over are irrational, the anxious mind is a master at creating worries that don’t actually exist, which is just its way of dealing with the energy being released.