When Matt Smith read the script for when Amy and Rory left the show. She was off-camera, but she sat next to him and read her letter to him during this scene, quietly, so it would be real. *all the feels* *sob*
& you come to see the caged animal, my dear?& This scene broke my heart. At first Loki put on the facade of his strength but then revealed his true state of grief and sorrow for someone he truly loved. Trying not to spoil it for you. I Loki!