Rowling has said that she looked forward to writing Book 3 because it introduced us to Remus Lupin, one of her favorite characters in the whole series (source).Rowling isn't really a cat person and...
GAside from a hint at a few crushes (Ron on Hermione, Ginny on Harry, Harry on Cho) we get practically no romance. This stands to reason, though, since this novel focuses on good old pubescent thir...