THE TRADITIONAL TITLES FOR THIS ARE “KEPT WOMAN”, “PECULIAR,” “CONVENIENT:” I quit my job to be a full-time girlfriend: Get fit, cook and you can too.
Listen to the advice of someone who has read a lot of historical biographies: before you give up the day job, make sure you have a ring and a license. Or at least a contract. Not only didn’t you invent this, your reinvention of the wheel is square.