Objects such as a toy cube move when hit by a larger object. This is demonstrated by society when they are hit with horrible news or a disaster that could put an end to their repetitive lifestyle, meaning they change not only based on their emotions but also personality and other characteristics. In the novel Children of Men written by PD James their civilization lost hope due to an atrocious change in the sperm count of human males reduced to zero and due to this the life expectancy of Homo sapiens came to an end. The film I Am Legend, directed by Francis Lawrence, is also based on the fact that humanity comes to an end, but due to a cure for cancer that has turned into a lethal strain. This disease spread throughout the world, killing eighty to ninety percent of humanity. Some have survived and have become predatory, zombie-like creatures called "Dark Seekers" who come out after dark to prey on those humans who have survived and have immunity to them. The novel and the film have two similar traits which are the destruction of humanity, and also the reconquest of humanity due to a...