Florida has a cohabitation statute that was originally intended to terminate alimony if the person receiving payments starts to live with another person. A Cohabitation Agreement may be unnecessary for unmarried cohabitants who have only lived together for a short time and have little property.However, these rights and benefits were typically limited—domestic partners could not receive, for example, Social Security benefits. There is evidence that the parties held themselves out as married. Cohabitation, The parties actually lived together for some period of time. Applicants who reside alone must fill out the bottom portion of this form but do not need to notarize it. Cohabitation; holding out; and reputation. The financial affidavit is a form that all family law petitioners and respondents must fill out detailing broadly their assets, debts and income. Any other matters that show the marriage has broken down; for example, if you have notified family and friends of your separation. The burden is on the applicant to establish that he or she is in a valid marriage with his or her U.S. citizen spouse for the required period of time.