There is no easy way to answer this question, as each individual varies. Do not make any decisions about giving up therapy without first consulting your therapist or counsellor – although you may feel ready, it is always a good idea to get a professional opinion before moving on.
In the case of twelve-step programmes, many addicts never leave. These programmes can become powerful support networks, and although some addicts move on after a period of time, others continue to actively attend meetings even decades after recovery.