To ten-year-old Hanna: The hard work will be worth it.
To thirteen-year-old Hanna: I’m sorry, sweetheart, you don’t know everything yet. 
To fourteen-year-old Hanna: These feelings will go away. You will feel sane and happy again, I promise.
To seventeen-year-old Hanna: Don’t be scared. College will be hard, but it will be good. You will learn so much. You will still be you. Don’t be scared.