The 6 worst money mistakes couples make

Discussing your personal finances, spending patterns, and financial plan with your partner is crucial.

"Dealing with financial matters is something any couple can do, but you've got to do the job yourselves, or it just won't get done," writes David Bach in his book "Smart Couples Finish Rich."

"If the two of you don't make your finances a priority, they won't be one."

The conversations must happen, and the earlier the better. After all, arguments about money are a leading predictor of divorce.

In his book, Bach points to the following six mistakes to avoid: