The answer to this question can vary depending on the specific laws and regulations of the country or state involved, as well as the unique circumstances of the family situation. In general, family law and custody arrangements are complex, and decisions are made based on the best interests of the children involved.
In many jurisdictions, custody decisions are not solely based on financial contributions. Instead, they take into account various factors, including the ability of each parent to provide a safe and stable environment for the children, the quality of the parent-child relationship, the physical and emotional well-being of the children, and each parent's willingness to cooperate and support the child's relationship with the other parent.
If a father believes that the mother is not adequately providing for the children's basic needs or that her actions are negatively impacting the children's well-being, he may have the option to seek custody or modify existing custody arrangements. This typically involves going through the legal system, which may include family court proceedings.
It's important to emphasize that custody decisions should prioritize the best interests of the children and should not be used as a weapon to retaliate against or punish the other parent. If you are facing such a situation or know someone who is, it's crucial to seek legal advice from a family law attorney who can provide guidance based on the specific laws and circumstances in your area. Additionally, family mediation or counseling can be helpful in resolving conflicts and ensuring the well-being of the children involved.