When it comes to serious relationships, virtually no topic should be off-limits. Whether you've just moved in together, a baby's on the way, you're saying "I do," or any combination of the three — there are some things you just need to know. Ahead are 38 questions to ask your significant other as the stakes are raised in your partnership. Note: these range from mildly uncomfortable to a little, sort of, somewhat, totally and utterly cringeworthy. But no matter the inquiry, soldier on . . . if you have any hope for the future, you'll need to know the answer!