I would rather be fluent in all languages. While communicating with animals would be fascinating, the ability to understand and speak every human language offers immense practical benefits. It would break down barriers, foster global understanding, and enhance cultural exchange. Research shows that multilingualism improves cognitive abilities, problem-solving, and cultural competence. It could also significantly impact fields like diplomacy, education, and international business. Moreover, it would make travel and communication effortless, enriching personal experiences and connections worldwide.