I know Robert Downey Jr still goes to weekly meetings.
On the other hand, Megadeth frontman Dave Mustaine said nothing worked for years till he picked up a bible and started reading.
You have to do it on your honor. Either to yourself, or to god and it goes on for a lifetime.
It’s been close to 17 years for me and while not as intense as it once was, I still go to meetings once in a while. I need to see the newbies as a reminder to keep the faith.