You simply want them to cohabitate without any major problems.
The reason for the high failure rate may be that couples who choose to cohabitate have more liberal attitudes about marriage and divorce.
Permanent alimony is awarded to a spouse for the remainder of their lifetime or until they remarry or cohabitate with someone.
Unfortunately, the switching spouses do not get to choose what type of family they will cohabitate with.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.