We used to take advantage of people because nobody could tell us apart,’ she said quietly, not looking up. ‘I guess most identical do. People used to think they could, but we could easily fool them. Millie was a bit more shy and quiet than me, so if I wanted to be Millie I would act a bit more timid and everybody would be sure it was her. We used to play tricks on our beaus – maybe Millie would go out on a couple dates and then she’d tell me to have a go and I would go out on the next one pretending to be her, and tell her afterwards how we got on and what I thought of the guy. We never got caught out, not once. Well… maybe once.’ She hesitated. ‘You know, I don’t think I ought to be telling you this here stuff. This has nothing to do with our career.