With the rise in divorce rates over the past fifty years, many couples are approaching marriage with a lot more caution than past generations. Some couples are choosing to enter into agreements that, in the case that their marriage did end in divorce, would specify how to divide the assets between the spouses. These agreements are commonly called "prenuptial agreements," or "prenups," but are also known as antenuptial agreements. In Massachusetts, prenuptial agreements are valid so long as: there is a full and fair disclosure of each individual's assets (you have to tell your soon-to-be spouse about everything that you have and vice-versa); the agreement is considered fair and reasonable both at the time that the agreement is entered into and at the time of the divorce (you can't take everything and leave your spouse financially dependent on the state); and there is no fraud or duress (you can't present a prenuptial agreement to your fiancée righ...