Marriage is a partnership, a relationship that requires a steady back-and-forth between partners. Communication sounds like a simple concept but, in truth, it's one of the hardest things people do. To make a marriage work, partners need to share emotions and talk about the details of daily life. That refers to exciting things like promotions and vacations, and mundane details like doing the laundry and picking up the kids.
This also includes money management. Studies show that many couples don't talk about money between each other, and some even hide bank accounts, credit cards, debt and other important assets. You share what you own in marriage, by law. Hidden money or debt is more than a breakdown of trust. It might mean extra liability that you didn't even know existed.