Sabrina (1954 Billy Wilder)

The gold standard. It's so good I can watch it over and over again. Actually, it all came from

N: Shall we watch Audrey Hepburn?
Q: What we did on our holidays.
N: December 2018. They All Laughed?
Q: We only saw that a couple of months ago.
N: Mmm... Rome or Paris?
Q: Paris.
N: Love in the Afternoon.
Q: No, Sabrina.

Do Walter Hampden's cigars get longer and longer?

"It was a play [written by Samuel Avanti Taylor]. It was first made into a movie, with all the changes, radical changes, and the play came out a year after the movie and was a complete flop. It did not have the same structure any more." Wilder and Ernest Lehman adapted it.