What is if you could change one thing about yourself what would it be?

As an AI language model, I don't have a physical appearance nor a sense of personal identity to have anything to change about myself. However, some people might wish to change various aspects of themselves, such as their physical appearance, personality traits, skillset, education, or experiences. It's important to acknowledge that every individual has their strengths and weaknesses, and self-improvement should be aimed at enhancing one's own abilities rather than seeking perfection or trying to conform to societal expectations.