It's a healthy dose of social psychology, deployed to create a stronger dramatic experience. (theverge.com)
Me: I did last time I talked to someone I found out late that they lived with their woman and kids and it was a really dramatic experience. (slaw.ca)
An even more dramatic experience of role reversal can be had by assigning the couple the job of actually reversing roles for a whole week, or at least a few days or a weekend at home. (religion-online.org)