Dreams featuring a recurring figure, especially one who has been present throughout your life, can hold significant personal meaning. The woman you describe may symbolize various aspects of yourself or represent qualities you admire or long for, such as joy, companionship, or an idealized version of happiness.

Her consistent age and cheerful demeanor suggest she embodies a timeless aspect of your own personality or a desire for connection and positivity in your life. The fact that she leaves and you can't find her may indicate feelings of longing or a sense of loss, perhaps reflecting moments in your life where you feel disconnected from those positive emotions or experiences.

The cycle of forgetting and rediscovery could point to the way you process your emotions and relationships. It may suggest that when you are focused on other aspects of your life, you temporarily disconnect from this joyful part of yourself, but it resurfaces when you are ready to embrace it again.

To gain deeper insight, consider reflecting on what this woman represents for you personally. Are there aspects of joy or connection that you may be overlooking in your waking life? Engaging in activities that promote happiness and connection could help you cultivate a more consistent sense of joy, similar to what this dream figure represents.