Hello! Wow, it's great that you're already thinking about your future at such a young age. When you're writing about yourself 15 years from now, you can include your aspirations, goals, and dreams. Think about where you see yourself in terms of your career, family, hobbies, and personal growth. You can also mention any specific achievements you hope to have by then. Remember, it's okay if your plans change along the way, but having a vision for your future is a great way to stay motivated and focused. Good luck with your writing!