Love is complicated. Add in money and it gets even more so.

But in their new book " Money Together ," Heather and Douglas Boneparth argue that having honest and proactive discussions about finances can make partners closer — and eventually, wealthier.

They begin their book, published last month, with an anecdote of a couple who had the difficult money talk a little late — on their honeymoon, over a cold seafood salad in Positano, Italy. (The Boneparths were also on vacation, and eavesdropping.) It became clear that the arguing pair had just discovered the husband had credit card debt, and that the wife's parents weren't paying off her student loans.

Of course, it would have been better if this couple had sorted these things out before they walked down the aisle. Yet couples fight

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