|Kristen Stewart and Robert Pattinson|
A source said: "No one would ever have told him what to do. But some people felt he never gave himself time to deal with what happened and heal. They think he has made the right choice."
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The screen heartthrob is said to have finally made his mind up following a difficult Christmas in his native UK with his 'Twilight Saga' co-star Kristen and his family.
The source explained to Britain's Grazia magazine: "Rob thought it would be good for he and Kristen to visit his family in the UK over Christmas and New Year, but things were very frosty.
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"Rob's family, especially his sisters, have found it hard to forgive the hurt and humiliation Kristen has caused him."
And the 22-year-old actress also angered Robert by signing up for a 'Snow White and the Huntsman' sequel, even though Rupert won't be involved with the movie.
The source said: "Kris thought it would be fine because Rupert is no longer working on the project, but Rob didn't feel the same way. That caused a major point of tension.
However, the brunette star is still hoping her former lover will want her back.
The source said: "She's hoping this is just a temporary split."