Strong Poison by Dorothy L Sayers

Mr. Crofts, excusably enough, said, "I told you so"; Sir Impey Biggs observed curtly, "Very unfortunate."

To chronicle Lord Peter Wimsey's daily life during the ensuing week would be neither kind nor edifying. An enforced inactivity will produce irritable symptoms in the best of men. Nor did the imbecile happiness of Chief Inspector Parker and Lady Mary Wimsey tend to soothe him, accompanied as it was by tedious demonstrations of affection for himself. Like the man in Max Beerbohm's story, Wimsey "hated to be touching. " He was only moderately cheered by hearing from the industrious Freddy Arbuthnot that Mr. Norman Urquhart was found to be more or less deeply involved in the disasters of the Megatherium Trust.