On their first night together, Jonathan and Bobbie ride down Broadway in the back of a taxi. Four of the films showing on marquees on a rear projection screen are "West Side Story," "El Cid," "Satan in High Heels," and "Four Horsemen of the Apocalypse." WSS and El Cid were released in late 1961, the other two were released in early 1962 (Satan in March, '62).
During the fight scene. which takes place at least a year after they started living together, Bobbie says that Jonathan didn't let her campaign for Kennedy. According to the films playing on Broadway, they met more than a year after Kennedy had been inaugurated.