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The Surprising but Essential Thing You Don't Know About Your Spouse

- Steve Hix—Corbis
Steve Hix—Corbis

If you harbor any doubt that money remains a taboo subject around the household, consider these findings from the 2015 Fidelity Investments Couples Retirement Study:

Not talking about money around the house can have broad reaching repercussions. Without discussion, odds are there is little financial planning. Nearly half of couples say they have no idea how much they will need to retire, and a similar number disagree over the amount, Fidelity found. Those with a plan are twice as likely to expect to live comfortably in retirement. Other surveys also have found that people who have a plan are more confident about their future.

On another level, the taboo around money conversations may be passed down generationally. We do our children no favors by making the subject mysterious. Young people are coming of age in a period of diminishing social safety nets and would benefit immeasurably from discussions around the house about budgeting and saving. That such conversations do not take place in many households has given rise to a broad effort to require money management courses in schools.

Among the more confounding aspects of the money conversation is the misperception that it is actually taking place. Some 72% of couples in the Fidelity survey say they communicate exceptionally well with each other, and 90% say that starting a conversation about budgets, savings and investments, and estate planning is not difficult. Yet these are some of the same respondents who said they don't know how much their mate earns.

Meanwhile, nearly half of parents say they strongly encourage their kids to talk to them about money, but only one in five kids strongly agree that this is the case, a T. Rowe Price survey found. Nearly three-quarters of parents say they talk regularly with their children about spending and saving, but just 61% of the kids agree. A third of kids believe their parents are leaving them in the dark about money issues.

Clearly, money is a tougher family topic than most of us realize. But it has never been more essential to talk about. This quiz might help you get started. And here are four questions that can help you and your spouse get on the same page when it comes to household finances.

Read next: How to start a money conversation with your mate

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