Resources are scarce. The division of labour is uneven. And a cost-benefit analysis of productivity is coming up negative. Who said marriage wasn't hard work?
"For all intents and purposes, your marriage is a business," says Jenny Anderson, co-author with Paula Szuchman of Spousonomics: Using Economics to Master Love, Marriage and Dirty Dishes.
"It's a business that flourishes in boom times, but at other times feels like running a marathon the morning after a night of too many margaritas. It feels like work."