The book Smart Couples Finish Rich by David Bach talks all about money management for couples. One of the most difficult aspects of partnership - whether you're married or not - is finances. The trouble that money can bring into a partnership of any kind can be devastating if you're not prepared for it. It has often been said that money troubles are one of the leading causes for divorce and separation. With statistics like this, it is imperative to know how to manage your finances as a couple in order to prevent them from destroying your partnership.