Modifies provisions relating to child custody

This act modifies the factors a court shall consider when awarding custody to parents, including the willingness and ability of parents to cooperate in the rearing of their child; the child's physical, emotional, educational, and other needs; the mental health or substance use history experienced by either parent; the history of domestic and child abuse of any individuals involved; the distance between the residences of the parents; and the reasonable input of the child as to the child's custodian.