Couples who are preparing to get married are likely in a happy place and do not want to think about any problems that could arise in the future. For this reason, people often do not get a prenuptial agreement. For many, the thought of bringing up a prenup can be challenging and therefore, the vast majority of couples do not create prenuptial agreements, even when they should. A prenuptial agreement does not mean that you think the relationship will fail. Instead, it provides protection and guidance for both parties in case of a problem. A prenup is like an insurance policy for marriages. You hope you do not have to use it, but it will be helpful if you do. What is the Purpose of a Prenup? A prenup is an agreement between parties that provides for how the various settlement terms of a divorce will be handled..