People often say, life is too short, yes, a person's life of that hundred and eighty years, put into the history of the universe, not even an instant, so, fantasy novels, often to exaggerate the life of people, the protagonist's life expectancy, not moving on tens of thousands of years, in order to meet the desire of the people to live a long life. But sometimes, life is too long, even though it is only 70 or 80 years, but it is enough to experience many events, these events, will bring very big changes to life, these changes, is people did not expect.