Acting is truly an art form. Many believe that in order to completely take on a character, the actors and actresses have to really dive into the mind of their character. This includes doing everything they would do, the way they'd really do it 2013 including what happens in the privacy of their bedrooms.
But while it is just acting, sometimes these racy scenes can be incredibly difficult to do. These actors all had some serious difficulty acting out these incredibly uncomfortable scenes.
The film The Spectacular Now is based on the novel of the same name by Tim Tharp. The story details a hard-partying high school senior whose philosophy on life changes when he meets the not-so-typical "nice girl." When filming the bedroom scene, Shailene felt an incredible awkwardness and embarrassment; the same way one feels when they're losing their virginity. Her discomfort translated well into the character.