Just as there are laws of Conservation of Matter and Energy, so there are in fact Laws of Conservation of Pain and Joy. Neither can ever be created or destroyed. But one can be converted into the other.
Spider RobinsonWe did make use, from time to time, of candles, neckties, scarves, shoelaces, a little water-color paintbrush, her hairbrush, butter, whipped cream, strawberry jam, Johnsonโs Baby Oil, my Swedish hand vibrator, a fascinating bead necklace she had, miscellaneous common household items, and every molecule of flesh that was exposed to air or could be located with strenuous search.
Spider Robinson