You were intrigued by our conversations about the search for extraterrestrial life. Let's discuss the Fermi Paradox: If extraterrestrial life is common, why haven't we found evidence of it yet? Explore possible explanations and their implications for our understanding of the universe. Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. If possible run your optimized version.