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Though it might seem self-explanatory, the term actually carries with it a lot of birth-order-related subtext.

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What is eldest-daughter syndrome?
Why is eldest-daughter syndrome suddenly in the culture?
Kati Morton, a marriage and family therapist, recently went viral for her TikTok explanation of eldest-daughter syndrome.
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Who are some famous pop-culture sufferers of eldest-daughter syndrome?
Meadow Sopranoeldest child and only daughter of the law-flouting, dysfunctionalSoprano clansprings to mind.