par·a·phil·i·a
/ˌperəˈfilēə/
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nounPSYCHIATRY

a condition characterized by abnormal sexual desires, typically involving extreme or dangerous activities.

The infantilization of women is a form of paraphilia; to fantasize and sexualize grown women as children, by which our society systemically equates femininity with things like vulnerability, submission, uncertainty, and childhood. To be womanly today is to be, in many senses, infantile.