Oldest daughter syndrome: what is it and how can it be detected?

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Oldest daughter syndrome: what is it and how can it be detected?

In a TikTok video with over six million views, Kati Morton, a marriage and family therapist from Santa Monica, California, lists signs that she believes indicate the 'firstborn syndrome'. Among them: an intense sense of family responsibility, tendencies to please others, and resentment towards siblings and parents. In X, a viral post asks: 'Are you happy or are you the firstborn daughter and also a girl?' Firstborn daughters are having their mom…