You probably do know what you’re talking about, and can safely energize your prose with active verbs. And you probably have told your story well enough to believe that when you use he said, the reader will know how he said it – fast or slowly, happily or sadly. Your man may be floundering in a swamp, and by all means throw him a rope if he is … but there’s no need to knock him unconscious with ninety feet of steel cable.