rosamundspike:

So the device of the diaries: the subjectivity of Amy Dunne’s view of her marriage. She has to speak to you, possibly from beyond the grave. She has to whisper in your ear and tell you what was going on in her marriage. I was daunted when I read the book that a satisfactory device could be found that would be cinematic. I opened the first draft of the script and started reading and there was the idea of seeing these manicured hands and beautiful handwriting as she lets you in on her deepest, most intimate thoughts. It was so straight forward, and the way that she connected the time frames to where we are in their marriage and where we are in her disappointment. The fact that it was kind of signposted by these different pens that we see in her hand, I thought it was such a beautiful, simple, fun idea. Then we see them later being tossed out the window of the car and they sort of mark the evolution of her vitriol. – David Fincher, Gone Girl commentary