It is simply a place for customers to help customers. If you need legal advice, LegalZoom can connect you to a licensed and independent attorney. Postnup Before a couple gets married, there are always things to be considered. Bringing in people from different backgrounds to live together requires some sort of an agreement for peaceful coexistence. What has been dominating over time is the prenuptial agreement, popularly known as prenup. It offered a perfect way for settling. Remember that the main purpose it protect your assets with this contract. While it is not common, yes, you can sign an agreement after the wedding. In fact, you can make a financial agreement any time during your marriage. Any waiver of any rights under this agreement, will NOT be effective unless in writing and signed by the party to be charged.