<br /> Money management can make or break a relationship.<br />Lifehacker has tips on how to approach finances with live-in spouses:<br />Draft documents like a cohabitation agreement or prenup. <br />"(It) won’t solve all potential future problems, but it will make them easier to manage should you and your fiancé ever break up." <br />A joint bank account also allows each person to make deposits for bill payments. <br />Make a budget detailing all home costs. This includes who buys the sofa or TV. <br />