Marie lost the ever-ready companionship of her sister Bronya. The doctors Dluski moved in the autumn of 1898 to Zakopane, part of Austrian Poland in the Tatra Mountains, to create a modern tuberculosis sanitarium. “You can’t imagine what a hole you have made in my life,” Marie wailed to Bronya in early December. “With you two, I have lost everything I clung to in Paris except my husband and child. It seems to me that Paris no longer exists, aside from our lodging and the school where we work.”