Thou shalt not start with any book in a series other than the first.
Thou shalt not dog-ear pages, crack spines, or cause damage to jackets.
When
a character you love dies, thou shalt feel the wound in your deepest of
hearts. (Especially if you are reading Harry Potter, His Dark
Materials, Games of Thrones, etc.)
Thou shalt defend thine
favourite authors with vigour, even if they write a book after the one
that you loved that isn’t quite as good.
Thou shalt not, under any circumstance, prefer the movie to the book.
Thou shalt have more book covered surfaces in thine residence than not.
Thou shalt justify money spent on books by claiming that “books are never a waste of money, at least I’m not buying shoes”.
Thou shalt do thine utmost to ensure that if you have a series, they are all the same type and have matching artwork.
Thou shalt feel a pain in thine soul when deciding if you should let someone borrow one of your books.
Thou shalt refuse to remove pages from books to start a fire, even if you are in the middle of a zombie apocalypse.