Photo from The Superficial
Think about it ... the evil twin thing would explain so much. The irrational behavior, the cheating, the strange interviews - Kristen Stewart's real personality could just be getting overwhelmed by Stephanie Meyer's use of her as a younger, hotter version of herself. Life by proxy - I mean, it's as reasonable an explanation for Rupert Sanders as anything else I've read. Plus it explains how the two of them seem to be creepily looking more alike every time they're photographed together.