She said the `` wild reaction '' fans had the `` Rob Effect '' . She said the fans need time to accept the ending of Breaking Dawn , just as they needed time to accept Robert Pattinson playing the role of Edward Cullen in the Twilight movie . In an interview with Entertainment Weekly , Meyer responded to the negative response of many fans to the book and called it the `` Rob Effect '' ; she said that the fans need time to accept the ending of Breaking Dawn , just as they needed time to accept Robert Pattinson playing the role of Edward in the Twilight movie .