Society is no picnic in A Game of Thrones. Our heroes and villains (and just regular people) have to navigate a social jungle filled with dangers. One of the main difficulties is that there are so many different societies, each with their own set of rules. And no one is immune to the power of society: even when the powerful Eddard Stark comes out of the north to King's Landing, he has to adjust to new set of social rules that hold sway. Keeping track of the customs, traditions, and morals of each society is not only difficult for the characters, but also for the readers. But, hey, that's what makes George R.R. Martin's world so rich and engaging.