I, too, am afraid to get better...

because...

I think I will have to terminate therapy (my T has reassured me one million times that a "wellness bell" does not go off-- he said there are always things to explore and we can continue working together for as long as I want)

Because being ill has become a large part of my identity, along with the behaviors that go along with it (I am currently trying to find out who I am aside from this-- and to realize that if some of these things cease to exists, I will still be me).

Because if I am not ill, no one will care; no one will pay attention to me (perhaps if I am "better" I will get more positive attention and connections than I get now).

Your fear is very common, as you can see.