Upon his arrival in Frankfurt he experienced a period of depression and declining health. He renewed his correspondence with his mother, and she seemed concerned that he might commit suicide like his father. By now Johanna and Adele were living very modestly. Johanna's writing did not bring her much income, and her popularity was waning. Their correspondence remained reserved, and Arthur Schopenhauer seemed undisturbed by her death in 1838. His relationship with his sister grew closer and he corresponded with her until she died in 1849.