If at first you don't succeed, watch:
The Awful Truth (dir. Leo McCarey, 1937; USA)
Divorce Italian Style / Divorzio all'italiana (dir. Pietro Germi, 1961; Italy)
Faces (dir. John Cassavetes, 1970; USA)
Scenes From a Marriage / Scener ur ett äktenskap (dir. Ingmar Bergman, 1973; Sweden)
Kramer vs. Kramer (dir. Robert Benton, 1979; USA)
War of the Roses (dir. Danny DeVito, 1989; USA)
Husbands and Wives (dir. Woody Allen, 1992; USA)
Mrs. Doubtfire (dir. Chris Columbus, 1993; USA)
Three Colors: White / Trois couleurs: Blanc (dir. Krzysztof Kieslowski, 1994; Switzerland/France/Poland)
Intolerable Cruelty (dir. Joel Coen & Ethan Coen, 2003; USA)
The Squid and the Whale (dir. Noah Baumbach, 2005; USA)
Blue Valentine (dir. Derek Cianfrance, 2010; USA)
Marriage Story (dir. Noah Baumbach, 2019; USA)
For further study, follow rabbit hole
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