Twilight Fans, worry not about Kristen Stewart cheating over boyfriend Robert Pattinson. Stewart reveals she could never love a cheater nor could she ever be one.

Kristen Stewart is just one out of the many young Hollywood celebrities people have known to love because of her fierce attitude and strong opinions. Another thing fans would love her for is her zero tolerance policy on cheating and cheaters. How so?

In an excerpt from the "One and Only: The Untold Story of On the Road", the authors agreed on one thing and found it interesting as to why Kristen couldn't understand one particular detail about the character she had to play.

Kristen had to act out the part of a woman, Marylou based on a real-life woman named Lu Anne Henderson, who continued to love a man who had cheated on her.

Stewart who could never tolerate cheating simply could not understand why her character could put herself into such emotional turmoil and continue to love a man who cheated on her for times on end. Marylou is definitely a far cry from Stewarts character, Isabella Swan, in the "Twilight" series. As for the film "On the Road" it will be out by the year 2012.

Proving that they are truly meant for one another, Robert Pattinson shares the same ideal too. He too hates cheating.

"There is one thing I've never understood: Why people cheat," says Rob in his interview in the Italian issue of Vanity Fair.

"My parents met when my mom was 17 and my father 25, they are still together, and seem very happy. I grew up believing that you can be together all of your life."

Does that mean that Robert's thinking of a long-term relationship with girlfriend Kristen Stewart?

Well the two are currently living together in London and rumors of a possible wedding are breaking out. If the couple are truly living together then it would seem that rumors of Robert Pattinson's fling with co-star Nikki Reed are simply issues to break the Robsten duo apart.

For more on Kristen Stewart and Robert Pattinson, also read:
Off-screen Wedding Taking Part in Real Life: Kristen Stewart & Robert Pattinson Engaged?

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