I know it sounds rather ‘Wow thanks! I’m cured!’, but that’s the point — if you’ve stopped worrying about it, then you’ve dealt with one of the root problems. Anxiety is dumb like that and being able to chill out and realise that even though it is important, you shouldn’t spend too much mental energy on it.
It’s not an easy thing to do by any means, but it is the end goal, and a lot of people are unfamiliar with how to just let go.