The problem with saving the universe a couple of times isn't the pressure to come up with something equally impressive as a follow-up, according to Doctor Who's Billie Piper; it's the children who've seen you do it. "The only thing that's stressful [playing Rose Tyler] is walking down the street when schools are out... Every child just thinks you're Rose and you don't want to spoil the illusion," she told the UK's Radio Times magazine, explaining why she has decided to become a reclusive hermit for the time being: "Sweet as they are, kids en masse are kind of frightening." [Digital Spy]