[filming sex scenes] Most of the time you're just trying to listen to the director's directions. It can be difficult to hear him while you are trying to be passionate, sexy and provocative. And at the moment, all you can hear in the background is, "Arch your back. No, to your left. Now to your right. There you go. All right, now put your hand down." So you're trying to listen to all of this while trying to kiss this guy.