Mr Attal, meet Mr Mankiewicz
When I started to write I wanted to make a film with just three men. Maybe just seen in restaurants, in bars, at work, talking about their lives, without woman. But suddenly, I wrote that scene in the restaurant when the three guys are together and I didn't know, I didn't have a plan, a structure, you know, I just went to write, just like that, a scene, a scene, another scene. and suddenly, I wrote this scene in the restaurant and the guy --- the three men are there and they run into a woman he sees at school. so they have a conversation, a funny conversation about how to fluff(?) with this woman (indecipherable) and he says, "What do you know about married woman?" And at the moment when I wrote that dialogue I wanted to cut to Charlotte’s character and I imagined the scene at the Virgin mega-store. after I wrote that scene I realized that she was the character that I wanted to follow now. I didn’t care about the men.
From Kenneth Geist's Pictures Will Talk a biography of the writer-director of All About Eve and A Letter to Three Wives, Joseph L. Mankiewicz. (page 168) Mankiewicz speaking at a conference in Tarrytown NY in November of 1972
All About Adam could be done as a short.