Imagination: Humans have a natural tendency to imagine scenarios and create stories as a way of exploring possibilities and expressing creativity. It's a form of mental play and can be enjoyable and fulfilling.
Problem-solving: Sometimes, when faced with a complex issue or a decision to make, your mind may construct a narrative to help you work through the problem and explore different solutions. Storytelling can be a helpful tool for gaining insights.
Escapism: Creating stories in your head can be a form of escapism, allowing you to temporarily escape from the stresses and realities of everyday life into a more exciting or pleasant mental world.