At times, he recalls his sixteen-year-long relationship with Jim.
As he makes peace with his grief, George suffers a heart attack and dies.
The film places emphasis on the culture of the 1960s; the production design is by the same team that designed AMC television's Mad Men, which is set in the same era.
You can't have men kissing each other without it being considered adult content.
So, in order to cut a trailer that can go into broad distribution in theaters, certain things had to be edited out.
An early theatrical poster for A Single Man featured a close-up shot of Colin Firth and Julianne Moore lying side by side, their arms and shoulders touching.
This led to speculation that the work's gay content and themes were being deleted or diminished in its marketing materials to improve its chances of success with a wider audience.
George receives a phone call from his dearest friend, Charley, who projects lightheartedness despite her also being miserable.
George goes about his day putting his affairs in order and focusing on the beauty of isolated events, believing he is seeing things for the last time.
Mad Men star Jon Hamm has an uncredited voice cameo as George's lover's cousin.