here are five topics that you can discuss about yourself:

Your values: What are the things that are most important to you in life? What are your guiding principles?
Your goals: What do you want to achieve in life? What are you working towards?
Your strengths and weaknesses: What are you good at? What are you not so good at?
Your experiences: What have been the most important experiences in your life? How have they shaped you?
Your dreams and aspirations: What do you hope to achieve in the future? What are you passionate about?