The first is that, for dual income households, marriage is a form of unemployment insurance: if one partner loses a job, the other can offer financial support. (canadianbusiness.com)
It may look like dual income households have a solid investment to rely on. (policybazaar.com)
It is uncommon for household duties to be split 50 - 50, Even in dual income households, one spouse typically bears a disproportionate level of the parenting responsibilities. (divorcesource.com)