The fear that life has passed you by is best addressed through tangible action, not just mindset work. Taking consistent steps toward a chosen goal metabolizes fear, transforming its anxious energy into learning, growth, and fulfillment. The process of doing makes the initial fear irrelevant.
Before prioritizing, write down every creative idea you have. This act serves as a mental 'colonic,' unclogging and releasing the angst, fear, and worry associated with unfulfilled ambitions. This provides immediate relief and clarity, making subsequent decision-making more objective and less stressful.
Your most important project should be defined by your current stage in life, not a permanent ranking. Priorities naturally shift with age, family, and health. Acknowledging this allows you to focus intensely on one project for a 'season' (e.g., 6-12 months) without the pressure of a lifelong commitment.