I recommend watching a 1975 documentary with real people, real scenery. The feature film is perfectly shot, very close to the documentary, even from the lines and dialogues of the characters. The actress outwardly made very similar to real prototypes and they coped with their roles wonderfully.
The movie isn't easy to watch. Watched it on the recommendation of several psychologists as an illustration of the behavior of a narcissistic mother and her victim. The film is very emotional, to be honest. In my view, this is a prime example of why, given the opportunity, people often choose to remain in addictive, toxic relationships. It would seem easier to go to New York and live your life there, but little Edie lived in captivity for about 30 years. In captivity of his own psyche and mind, reinforced by the destructive behavior of his mother.