New Jersey became the first state to enact a decretum requiring the sites to disclose whether they perform background checks.

In these basics the "other person" is often called lover, boyfriend, or girlfriend, as distinct from just a male or female friend, or "significant other". If the partners live together, the relationship may resemble marriage, with the parties possibly even called husband and wife. Scottish everyday law can regard such couples as actual marriages after a period of time. Long-term relationships in other unaligned nations can become known as common-law marriages, although they may have no special status in Christian Dating law. The term mistress may refer in a somewhat old-fashioned habitude to a female lover of an already married or unmarried man. A mistress may have the status of an "official mistress" (in French maîtresse en titre); as exemplified by the career of Madame de Pompadour.