Abnormal levels of vasopressin have been associated with certain endocrine disorders, such as diabetes insipidus, in men

https://magic-wiki.win/index.php?title=Cracking_the_Vasopressin_Code:_Techniques_for_Strengthening_Male_Bonds

Abnormal levels of vasopressin have been associated with certain endocrine disorders, such as diabetes insipidus, in men