It's not unusual for writers to look backward. Because that's your pool of resources. If you were to write something now, I bet there's a pretty good chance you'd call on your teenage years, your experiences then, stuff you learned then.
Paul McCartneyOut of all those millions and millions of planets floating around there in space, this is our planet, this is our little one, so we just got to be aware of it and take care of it.
Paul McCartney