As effective and powerful as interventions and church groups and Rational Recovery and rehabs and AA may be, more people die of alcoholism and addiction than recover from it.
Old behaviors create old feelings.
If you want to develop self esteem do esteemable acts.
The pursuit of pleasure is not the same thing as the pursuit of happiness, but it is easy to mistake the former for the latter.
Committing yourself to being of service gives a sense of purpose. A sense of purpose engenders deep feelings of happiness. Thus, service = happiness.