Yes, it is absolutely possible to live a happy and fulfilling life without engaging in sexual activity. Happiness and fulfillment come from various aspects of life, including personal relationships, achievements, hobbies, personal growth, and overall well-being. While sex can be a meaningful and enjoyable part of some people's lives, it is not a requirement for happiness or a fulfilling life.
Many individuals, for various reasons, choose to abstain from or have limited sexual activity, and they can still lead happy and satisfying lives. People have diverse needs and desires, and what brings happiness and fulfillment varies from person to person. Some may find deep connections and joy in platonic relationships, friendships, or pursuing their passions and interests.
Having a supportive social network, maintaining good physical and mental health, finding purpose and meaning in life, and cultivating positive emotions are all factors that contribute to happiness and well-being. Ultimately, living a happy life depends on understanding and fulfilling your own needs and desires, regardless of whether sexual activity is a part of it.