Many plots are to pave the way for the growth of the main characters. In order to write several main characters, Martin spread the pattern so much, all to make the characters more perfect. From Martin's creative inspiration (from the sudden conception of a boy goes to watch the execution to see a beheading and then finds a direwolf in the snow) to know that a thread pulls out a new world, a whole new world that serves to shape the growth of the main character and fulfill the ultimate mission, or It is said that the auxiliary line serves the main line.
Although some stalks are relatively blunt, the adaptation is bound to shrink compared with the original. Personally, I think it's more of a medieval upbringing than a "Game of Thrones". This kind of serious fantasy is still pretty good.
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