This affidavit documents the cohabitation of two individuals for over ten years without being legally married. 1) X and Y have been living together as husband and wife for over 5 years since February 2013 without being married and have one child together.The Texas Department of Criminal Justice does not have a sample affidavit available online. Explore Cohabitation Agreements in Texas Family Law with Bryan Fagan, PLLC. Protect your rights and assets—get expert guidance today! An Affidavit of Cohabitation is used if a couple wants to prove that they are living together as spouses for a certain period. Filing for a domestic partnership in Austin, Texas, is an option to consider if you're in a committed relationship and don't want to marry. Learn about the importance of cohabitation agreements in Texas. Protect your assets and clarify ownership with this informative guide. Military. Military Affidavit.