>>13901686 Another writefag here, also good at math for the record.
If you don't know what you're writing about, you can't fully flesh out what you write without being made to look like an idiot and/or losing credibility with knowledgable readers.
George R. R. Martin spent a very long time researching everything medieval (food, fashion, warfare, culture) before he even wrote a page of A Song of Ice and Fire, and it's one of the best pieces of modern fantasy literature. If not the best.
