What are the financial reasons divorced couples still live together?

Divorced couples still live together for financial reasons, but what are the financial reasons? Is it not being able to afford another place?|||Taxes above all the reasons. As single, your returns will be substantially reduced versus filing a joint return. Also, your bill expenses such as heat, electric, mortgage or rent among others remain constant whether one or two people live in the house.|||Yes that would be one of the biggest reasons.|||Greed and Uncle Sam....