The narrator of this novel breaks off contact with the main character after finding him callously unmoved by the suicide by oxalic acid of his mistress
This novel's narrator observes that the innovations of the Romantic poets left George Crabbe "as dead as mutton." A character in this novel returns to Holland to live with his mother after finding himself unable to puncture a painting with a dinner-knife. The ending of this novel is narrated by Dr. Coutras, who diagnoses the main character's leprosy. The narrator of this novel breaks off contact with the main character after finding him callously unmoved by the suicide by oxalic acid of his mistress (*) Blanche Stroeve. The main character of this novel suddenly abandons his stable marriage and job as a London stockbroker to live a starving bohemian lifestyle in Paris, and then marries a second time after moving to Tahiti. For 10 points, name this novel about Charles Strickland, an artist modeled on Paul Gauguin, by W. Somerset Maugham. 
This novel's narrator observes that the innovations of the Romantic poets left George Crabbe "as dead as mutton.
The Moon and Sixpence 