Is it possible for a father to win sole custody of his children unless the mother agrees to it or else she has mental or emotional problem?

Is it possible for a father to win sole custody of his children unless the mother agrees to it or else she has mental or emotional problem?

According to researcher Robert Seidenberg, a nationally known fathers' rights activist, a study of all divorce-custody decrees in Arlington County, Virginia over an 18 month period failed to find even one father who was given sole or even joint custody of his children unless the mother agreed to it. https://gradesfixer.com/free-essay-examples/a-study-of-the-dissolution-of-marriage-and-legal-children-guardianship/

Mothers rarely lose custody of their children to anyone, ever. For example, an Ohio study published in Family Advocate found that fathers seeking sole custody obtain it in less than 10% of cases, and a Utah study conducted over 23 years found similar results.

Is it possible for a father to win sole custody of his children unless the mother agrees to it or else she has mental or emotional problem?
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