In an article with New Zealand Stuff, The Hobbit: An Unexpected Journey co-writer Philippa Boyens discussed returning to Middle-Earth, handling various story elements and why they decided to invent a new character for the films.

On returning to Middle-Earth:
When asked, there's a long pause before she answers. "I loved the world. I loved [JRR] Tolkien's writing. [But] I think there was a quality about myself where I felt like 'I'd done it'," she says while in Wellington. "But that feeling didn't last very long because The Hobbit is a whole other fantasy really, a whole other work. Once we got into it and started writing it I felt really good about it and then I started loving it more and more. It was a natural process of falling back in love."
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