IGN: Your mutual chemistry is crucial to the film - how did you sustain it?
Pattinson: I used to sometimes just run into Kristen's bedroom naked, just to keep shocking her… No, I don't know, it's funny because all the romantic scenes were kind of - are you better at [answering] this than I am?
Stewart: No, I'm so terrible at it…
Pattinson: It worried us because we both were wearing contact lenses and so much of it was to do with eye contact. And these lenses were like masks on our eyes –
Stewart: – like walls!
Pattinson: I was really worried that there wouldn't be anything, so it's a relief that people felt there was.