Capturing characters at any age is a challenge, but it's especially difficult if the characters are teenagers. Let's look at 'American Graffiti' and see how it sidesteps that and other problems that modern-day teen films often fail at solving.
For educational purposes only.
George Lucas Interview Clip - http://bit.ly/1qrEvZX
Further Reading - 'Modernism, Cinema, Adolescence: Another History for Teen Film' by Catherine Driscoll - http://bit.ly/1KplM8k