Marriage equality is here to stay. Understand the benefits and complications Full legal marriage is now available in all U.S. states. But there are still many questions that same-sex couples should discuss before walking down the aisle. Learn how marriage will affect: your family if you have children your taxes, and your responsibility for your partner’s debts. Making It Legal also covers state laws on same-sex domestic partnerships and civil unions, and explains whether your registration will be recognized if you move to another state.