It refers to the cycle of desire fulfillment
Page 59. It refers to the cycle of desire fulfillment. Hedonism means the pursuit of pleasure. We want something we perhaps get it, we feel good for a while, and then we return to whatever default level of happiness or sadness we enjoyed before. Nothing really changes .
— from The Flight Plan (Purpose/Wisdom/Risk) · Happy Why More or Less by brown
In the book
The third is mistaking motion for meaning, and pleasure for fulfillment. Pleasure is instant and shallow; it runs on the endless cycle of desire and consumption that the old thinkers called hedonism, and it can never fill the hole, because satisfying a craving only breeds the next one. The man who chases it spends all day saving the world's opinion of him while starving the actual life he was given. — The Flight Plan (Purpose/Wisdom/Risk)