1. Trying not to get depressed definitely applies to both. You need be healthy so don’t get a cold.
2. Noah Taylor [who plays Oliver’s father in Submarine] told me the main thing as director was to get comfortable shoes because you don’t sit down for two months.
3. The best tip for directing I ever heard came from Roman Polanski who apparently said: You rehearse a scene, then you stand where you want to see it, and that’s where you put the camera.