Relationship between Van Gogh and Gauguin

The relationship between Van Gogh and Gauguin is that they were friends that helped and support each others.they exchanged paintings. Van Gogh liked to painted with Gauguin, because he wanted to learn things from Gauguin.they are befriends, but they were always argued and quarreled.In one of their argument, Van Gogh cut his left lower ear lobe. He wrapped and sent it to a prostitution---Rechel,and same asked to keep it carefully. Then he dragged home. When Gauguin was back at the yellow house, he saw Van Gogh was lying down in the floor with blood in the floor. He took Van Gogh to the hospital,without telling Van Gogh goodbye and left Him. Gauguin had never seen Van Gogh again. Van Gogh was very sad and depressed .