"Once a Week Won't Kill You" is a short story by American author J. D. Salinger. It was published in the Nov/Dec 1944 edition of Story magazine.
The story deals with the departure of a soldier for combat in Europe and the soldier's request that his wife spend more time with his aunt when he is gone. Salinger wrote this story when he was already in England.
References
Once a Week Won't Kill You Wikipedia(Text) CC BY-SA