In a culture that thinks of itself as individualistic, A.A. relies on fellowship. The general idea is that people aren’t really captains of their own ship. Successful members become deeply intertwined with one another — learning, sharing, suffering and mentoring one another. Individual repair is a social effort.
Also on this site, a list of 12-step programs in L.A. Whether you’re aiming at recovery or not, if you’ve never been to a 12-step meeting, they’re well worth checking out. (Make sure it’s an open meeting–outsiders welcome.)