But while fear was part of what kept them together for those first few months in Marin, more powerful than fear was the desire that each see the other find firmer footing before they let go, and thus in the end their relationship did in some senses come to resemble that of siblings, in that friendship was its strongest element, and unlike many passions, theirs managed to cool slowly, without curdling into its reverse, anger, except intermittently. Of this, in later years, both were glad, and both would also wonder if this meant that they had made a mistake, that if they had but waited and watched their relationship would have flowered again, and so their memories took on a potential, which is of course how our greatest nostalgias are born.