Kristen Stewart has revealed what she thinks makes Edward Cullen and Bella Swan's relationship so special.
The actress, who is thought to be dating her co-star Robert Pattinson, said that the love between the intensely passionate characters in the Twilight movies is "rare".
Speaking to GLAMOUR.com at the UK premiere of The Twilight Saga: Breaking Dawn - Part 1, she said: "I get asked all time how I could get behind a character that is so submissive. Like the sacrificial lamb.
"I think it is the most valiant thing to give yourself to someone, and he really gives himself to her. But I think that the fact that they're so die-hard invested [in each other]. It's rare."
The Twilight Saga: Breaking Dawn - Part 1 hits the cinemas in the UK from 18 November 2011.
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