However, nine states allow you to create an informal or joint marriage if the following three are correct: If you come from a traditional family, you would undoubtedly be surprised to discover that people today prefer cohabitation to marriage. In addition to being more convenient, it is much easier to cancel a concubine contract compared to a marriage contract. Other people also prefer, for personal or religious reasons, cohabitation over marriage. According to the census, the proportion of young adults aged 18 to 24 increased from 0.1% in the 60s to 9% in 2018. On the other hand, the rate of married spouses living together has steadily declined, from 39.2% in the 60s to 7.3% in 2018. A concubine agreement aims to protect both partners in a relationship and avoid as many conflicts as possible in the event of separation. . . .