I believe he lost interest in writing the ASOIAF sometime after the third book. No, I have no evidence, just a gut feeling. Yes, he has continued to work on the series, but imho the spark has gone out a long time ago. It's just drudgery for him now. And he hasn't the courage to just come out and admit it. Perhaps he hasn't even admitted it to himself.
Mind, all that is pure speculation. YMMV.
|