Lengthy cohabitation that is considered legally binding in some states is option(c) i.e, common-law marriage.
Cohabitation is an arrangement in which two people live together but are not married. They frequently maintain long-term or constant romantic or sexually intimate relationships.
A common law marriage is a union that is recognized by the law between two people who have not exchanged vows in a religious ceremony or bought a marriage license.
Colorado, Iowa, Kansas, Montana, New Hampshire (only for inheritance purposes), Oklahoma, Rhode Island, South Carolina, Texas, Utah, and the District of Columbia are among the states that recognize common-law marriage.
The main advantage of a common law marriage is that your connection is legally recognized. Additionally, common law marriage grants partner the ability to divide property, pass down inheritances, and even receive spousal support in the event of a breakup.
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