To have and to hold (Title, that is): Advice for the unmarried

Who doesn't have an unmarried friend who lost the house, or at least their investment in the condo, when the relationship went sour?

The key question when buying property together, according to a new book -- "Living Together: A Legal Guide for Unmarried Couples" -- seems pretty simple: Does your legal relationship match your private agreement?

But who wants to have that conversation when you are newly in love, or at least new to nesting?

No one, the book's author admitted to WalletPop.