Beyond what he pulls down in salary, you should know how much he has in savings, how much debt he's carrying and -- this is important -- how he accrued it. "You don't want any surprises after marriage," says Lisa Decker, founder of Divorce Money Matters. Ask these questions before you're married so you have an understanding of what caused any problems and how to prevent them from happening again. Sure, the conversation takes some finesse, but you can ease into it by discussing your hopes and dreams together, Decker says. "That opens the door to sharing what your money history has been."