...
Describing their earliest meeting with
George R.R. Martin, Benioff
said the author questioned their bona fides. "We didn't really have any," he said. "We don't know why he trusted us with his life's work." The two also admitted to making
basic writing mistakes in the pilot,
saying, "Everything we could make a mistake in, we did." That included script, casting, and costume design. Weiss described the experience as, essentially, a very
expensive film school; the two didn't even know how to work with costume designers, for instance, which made the entire thing a huge learning experience.
...
