When asked about the many fan theories appearing on websites, Martin said: "I've wrestled with this issue, because I do want to surprise my readers. I hate predictable fiction as a reader, I don't want to write predictable fiction.
"I want to surprise and delight my reader and take them in directions they didn't see coming.
"But I can't change the plans. That's one of the reasons I used to read the early fan boards back in the 90s but stopped. One, I didn't have the time, but two is this very issue.
"So many readers were reading the books with so much attention that they were throwing up some theories and while some of those theories were amusing bulls--- and creative, some of the theories are right.
"At least one or two readers had put together the extremely subtle and obscure clues that I'd planted in the books and came to the right solution.
"So what do I do then? Do I change it! I wrestled with that issue and I came to the conclusion that changing it would be a disaster, because the clues were there.
"You can't do that, so I'm just going to go ahead.
"Some of my readers who don't read the boards, which thankfully there are hundreds of thousands of them, will still be surprised and other readers will say: 'see, I said that four years ago, I'm smarter than you guys'."