In addition to struggling to make the best choices, we also have the problem of trying to follow through on the choices we make. Because we are addicted, our motivations are always mixed and our hearts are never completely pure. It can therefore be only a part of the self that makes a good choice and cooperates with it; much of the rest of the self is bound to fight it. One set of systems in the brain may choose the way of freedom and love, but countless others will immediately react with stress and mental treachery and all the other ways we have seen of trying to preserve our old normalities.
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