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.
Paul McCartney had a baby when he was 61 Rod Stewart was 66 Rupert Murdoch was a stunning 72. Not only does that mean they'll have less stamina than the average dad that means they'll well check out a lot sooner too.
