during that time , 'antoinette ' remained in stuart 's body , playing the piano obsessively , venturing out only to get lost or into some dreadful scrape with the local toughs at last antoinette never left the house , and became something of a hysterical invalid , demanding that meals be left at her door , and going down to play the piano only at night finally , through a private detective in paris , dr townsend ascertained that a certain louisa fielding had been murdered in pans in 1865 she was indeed a prostitute , but there was no record whatsoever of her having a child and at last dr townsend came to a dead end he was by this time weary of trying to solve the mystery and he came to terms with the situation as best he could .