A child must be 18 years old to decide which parent they want to live with in Michigan. However, the court often considers the preference of the child along with several other factors when determining primary custody. According to MCL 722.23, the "best interests of the child" encompasses several factors. These include: ability to provide children love, guidance, and affection, continuance of education, religion, providing clothing, food, medical care, an environment that is stable, physical and mental health of the parents, domestic violence.