M. Night Shyamalan is amazed by the longevity of his directing career. The 53-year-old filmmaker’s latest psychological thriller ‘Trap’ is due to be released next month and he is grateful to still be behind the camera more than three decades on from his debut picture ‘Praying with Anger’. Shyamalan told Empire magazine: “Well, to be still doing this after 30 years is so exciting. They are original movies, but they are also from the same author. This is part of a longer conversation that pre-existed this and will continue after this. It’s so rare, to have this relationship with the audience.” T…