Probably also the pressure. The longer it takes, the higher the expectations are. Not only that, but he's finally had a taste of the good life and he no longer needs to finish it for an income.
Could also be a contractual obligation to HBO. As long as HBO is producing new GOT related shows, he's unable to release the final book.
Definitely not that last one. Pretty sure they only started filming and releasing the HBO show when they did, because they expected that by the point they'd reach season 7 or 8, all the books would be out. Not to mention that the 5th book came out after the first season was released.
Probably also the pressure. The longer it takes, the higher the expectations are. Not only that, but he's finally had a taste of the good life and he no longer needs to finish it for an income.
Could also be a contractual obligation to HBO. As long as HBO is producing new GOT related shows, he's unable to release the final book.
Definitely not that last one. Pretty sure they only started filming and releasing the HBO show when they did, because they expected that by the point they'd reach season 7 or 8, all the books would be out. Not to mention that the 5th book came out after the first season was released.