After Stanley Kubrick died, his widow Christiane reflected on a lesson her late husband never quite seemed to learn. As she told the BFI, "He would start the longest and most difficult jobs with this optimism and say, 'Oh, it won't take long.' He never learned the lesson that it does." Kubrick's movies were, themselves, very often the "longest and most difficult jobs" and 1987's "Full Metal Jacket" remains one of the best examples.
As Kubrick's daughter, Anya, offered in that same interview,...