'The Occasion … is variously Discours'd; some will have it that his Sister marrying his Scholar [Charles King], who he fear'd might in time prove a Rival in his Business, threw him into a kind of melancholy Discontent; and others (with something more Reason) impute this Misfortune to a young Married Woman near Pater-Noster-Row, whom he had a more than ordinary respect for, who not returning him such suitable Favours as his former Affections deserv'd, might in a great Measure occasion dismal Effects.'