Ethel sat affably rigid there.
And later at the piano Joe was not Ethel's husband.

Nor was it her room when they stripped up the rugs and began to dance, nor her photograph their eyes kept seeking from time to time! She even thought she could hear them whisper about the hostess who was dead! And when very late they had departed, and last of all Joe had gone with Fanny downstairs to put her in her taxi, Ethel, left alone in the room, turned to her sister's photograph.
"I won't be like you," she tensely declared.

"I won't live in your home--with your husband--" The picture smiled good-naturedly back "All right," it seemed to answer, "then what do you expect to do ?".