“There are so many ways of classifying our tendencies, but I think one of the most telling must be this: there are those of us who do not wrestle very often or for very long with our appetites, who can simply say, Enough, and walk away, and those of us who are constantly at odds with how much we desire and what we actually allow ourselves. The gay between desire and restraint: here rages the river of discontent, one that often threatens to overflow its banks.”