I think you go through a period as a teenager of being quite cool and unaffected by things.
If there is a book that the script came from you have to read it, you have to see what you can get out of it: mood, back story and things that may not even be in the film. They kick off your imagination and broaden the character, I think.
There’s such big pressure on people who are incredibly famous, on those who have people sitting outside their front door and taking photos every time they move.