"It was (Nick Frost's) first-ever bedroom scene and my first-ever bedroom scene...not that we were actually doing much, but we did have to lie sort of semi-nude under the sheets. And he was incredibly sort of vibrant and outgoing, but then he suddenly got very, like, 'I'm engaged and I'm getting married!' And I was, 'Okay, that's good. I just won't be touching you, then!'"