Nancy Kress Repeated Quotations

Words that add no new information or aren't repeated for emphasis are just padding. A sentence may carry three or five or eight of them, each one as unnoticeable as an extra two ounces on your hips but collectively adding up to a large burden of fat.

Many novice writers try to avoid using 'said' by substituting synonyms: 'he uttered,' 'she murmured,' 'he questioned.' It's true that any word repeated too often becomes monotonous, but substitutions for 'said' can be worse than its repetition.