Parents who are no longer married to or romantically involved with one another often face serious challenges in developing an agreement regarding the allocation of parental responsibilities. In most cases, both parents want to continue to play an important role in their child's life and are willing to compromise to make that happen. Sometimes, however, the parents cannot reach an agreement on their own. When this happens, the court must step in and assign parental responsibilities and parenting time in a manner that promotes the child's best interests.