The same process that makes AA so effective-the power of a group to teach individuals how to believe-happens whenever people come together to help one another change. Belief is easier when it occurs within a community.
The problem is that your brain can’t tell the difference between bad and good habits, and so if you have a bad one, it’s always lurking there, waiting for the right cues and rewards.
The biggest moment of flexibility in our shopping habits is when we have a child, because when you think about it, all of your old routines sort of go out the window, and suddenly a marketer can come in and sell you new kinds of things.
