In their final Comic-Con panel, Kristen admitted that they wanted to “be animals” in the scene, however they had to tone it down.
“The ratings, man! [It's] a tricky thing,” Kristen explained. “We’re supposed to have mind-boggling, otherworldly…sex. In the first one, Breaking Dawn 1, we really…this is weird…tried to keep the first one sweet. It’s about self discovery. Nothing about this series is raunchy. And I know that…But in the second one, we just wanted to be animals.”
She continued, “We’re not human anymore. How do you do that? We tried, and they told us it was rated R…”