"Begin 'My dear sir,' or 'Dear sir,' that will be better, and say you are desired by Miss Crawley--no, by Miss Crawley's medical man, by Mr. Creamer, to state that my health is such that all strong emotions would be dangerous in my present delicate condition--and that I must decline any family discussions or interviews whatever. 
"Begin 'Dear sir,', and say you are desired by Miss Crawley - no, by Miss Crawley's medical man, by Mr. Creamer, to state that my health is so delicate that all strong emotions would be dangerous - and that I must decline any family interviews whatever. 