Now call me a big kid if you want but I love Harry Potter. The films I mean. And there is no better place to watch these films than on the big screen. But unfortunately for me my boyfriend disagrees. Having dragged his miserable arse to the previous six films I was having great difficulty in getting him to the seventh."Why can't you get one of your friends to go with you?" He moaned. "I don't even like the films, stupid s...