When you love a film, and I mean really love it, it can sometimes be hard to accept sequels, remakes and any other adaptations that dare stray from your beloved blockbuster. For me, that film is Grease. It’s been my favourite ever since I watched my parents’ 25th anniversary VHS as a child and, even after all these years, it holds a very special place in my heart. One thing about your favourite film being a musical is that, at some point, you will undoubtedly get a chance to see it live on stage – and I got that chance as the touring production opened at the Marlowe Theatre in Canterbury. I’ve…