Kristen Stewart is reportedly sick of the controversy surrounding her affair with Rupert Sanders.

The Twilight actress issued a public apology for cheating on boyfriend Robert Pattinson with her Snow White and the Huntsman director.

Although Kristen has been hiding out since the news broke, Robert began showing his face again this week conducting interviews and attending events.

Kristen is experiencing a host of emotional conflict at the moment.

"Kristen's starting to get tired of how dramatic Rob is being about this whole thing. She's beginning to wonder if life without him wouldn't be a better choice," a source told the American edition of OK! magazine.

"Rob's going to sow his wild oats, and Kristen feels she should do the same. But at the same time she's filled with remorse. If she could take it all back, she would."

Kristen doesn't have a steel heart and still feels incredibly remorseful about her liaison with Rupert.

"Right now she sees it as the biggest mistake of her life," the insider continued. "She's really hurting; there's no doubt about that."