The film Up in the Air (2009) is a must-see. George Clooney plays the protagonist, Ryan Bingham, whose job is fire people, a job terminator. His job requires that he be in flight virtually all the time. He discovers toward the end of the film that what had been one of his key life purposes, shedding relationships, might be a huge mistake.
Perhaps shedding or keeping relationships is also problematic for most people in modern societies: the degree of balance between self and other(s). There doesn't seem to be an easy solution. Even today there are still those who serve others to the point of neglecting self. For example, in the traditional marriage, the wife was supposed to be loyal to husband and family to the point that she gave up vital parts of her self, such as her anger and even her intelligence. The sacrifice of self still occurs today, but the size of this group is probably decreasing. Ryan Bingham represents what may be a substantial majority, those whose first priority is self.
The film, supposedly based on a novel (Kirn 2001), actually creates its own plot and personality for the protagonist. The film particularly scaled down his repulsiveness. Kirn's Ryan was completely self-absorbed, to the point of being oblivious to others. At his worse in the film, Ryan is never oblivious, but he puts self before others, ignoring and avoiding attachments. At the end, he comes to question this equation and begins to change his individualistic attitude and behavior.