Most Similar Movies to One Is a Lonely Number (1972)
If you are looking for movies like One Is a Lonely Number (1972), you might like movies tagged with keyword : drama, romance, loneliness, female protagonist, marriage, divorce, independence, self-discovery, midlife crisis, emotional struggle, social pressure, 1970s, american film, tv movie, psychological drama, realism, life struggles, female perspective, social critique, human relationships .
Summer Wishes, Winter Dreams (1973), The Happy Ending (1969), The Marriage of a Young Stockbroker (1971), Middle of the Night (1959), Hope Gap (2019), The Good Girl (2002), Gloria (1980) ... Let's take a look at the following list...

Summer Wishes, Winter Dreams (1973)
Rita, a middle aged New York City homemaker, finds herself in an emotional crisis which forces her to re-examine her life, as well as her relationships with her mother, her eye doctor husband, her alienated daughter and estranged son.
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The Happy Ending (1969)
A middle-aged woman walks out on her husband and family in an desperate attempt to find herself.
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The Marriage of a Young Stockbroker (1971)
A stock-broker is stuck in a dreary job and a marriage that's become a dull routine. To cope with the boredom and frustration, he resorts to voyeurism and extramarital love affairs.
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Middle of the Night (1959)
A widowed businessman becomes obsessed with one of his employees, the divorcée Betty Preisser.
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Hope Gap (2019)
A couple's visit with their son takes a dramatic turn when the father tells him he plans on leaving his mother.
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The Good Girl (2002)
A discount store clerk strikes up an affair with a stock boy who considers himself the incarnation of Holden Caulfield.
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Gloria (1980)
When a young boy's family is killed by the mob, their tough neighbor Gloria becomes his reluctant guardian. In possession of a book that the gangsters want, the pair go on the run in New York.
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The Commune (2016)
A story about the clash between personal desires, solidarity and tolerance in a Danish commune in the 1970s.
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The Private Lives of Pippa Lee (2009)
After her much older husband forces a move to a suburban retirement community, Pippa Lee engages in a period of reflection and finds herself heading toward a quiet nervous breakdown.
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Diane (2018)
A woman fills her days helping others and desperately attempting to bond with her drug-addicted son. But as those around her begin to drift away in the last quarter of her life, she is left to reckon with past choices and long-dormant memories.
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Afternoon Delight (2013)
Rachel tries to spice up her marriage with a trip to a strip club. She befriends McKenna who gave her a lapdance. She moves in with Rachel's family and becomes a nanny for the son.
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Full Moon in Blue Water (1988)
In Texas, Floyd is the owner of a decadent bar nearby the coast. He misses his wife Dorothy, who disappeared one year ago, and does not pay attention to the business, giving credit to everybody. His senile father-in-law The General lives with him demanding care. He has two employees, the former inmate of a mental institution Jimmy and the spinster Louise that has a lo...Read all
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The Ballroom of Romance (1982)
3 cute teenage girls head to a rich uncle's beach house for the summer to party.
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Dodsworth (1936)
A retired auto manufacturer and his wife take a long-planned European vacation only to find that they want very different things from life.
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Kramer vs. Kramer (1979)
Ted Kramer's wife leaves him, allowing for a lost bond to be rediscovered between Ted and his son, Billy. But a heated custody battle ensues over the divorced couple's son, deepening the wounds left by the separation.
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Faces (1968)
A middle-aged man leaves his wife for another woman. Shortly after, his ex-wife also begins a relationship with a younger partner. The film follows their struggles to find love amongst each other.
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Little Children (2006)
The lives of two lovelorn spouses from separate marriages, a registered sex offender, and a disgraced ex-police officer intersect as they struggle to resist their vulnerabilities and temptations in suburban Massachusetts.
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Akaash Vani (2013)
Vani tries to save her marriage in spite of going through marital rape and abuse, so that her parents are happy, but when she meets her ex-boyfriend, she gets the courage to leave her husband.
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