Living with Unfulfilled Desire

Surprisingly, I've found that I can lead a satisfied, peaceful, and happy life without desire. But what about the negative emotions like anger, hatred, and dissatisfaction? Can they be reduced or even eliminated? It's clear that living without these negative feelings would enhance my happiness. I've come to realize that my anger usually flares up when my desires are unfulfilled or my pride and dignity are under attack. This understanding of the role of unfulfilled desire in triggering negative emotions is intriguing. How could I possibly achieve this?