Roommate Syndrome: Feature, or Bug?

If you stay with your partner long enough, one thing is inevitable... you will eventually drift into Roommate Syndrome. Some people take it as a sign that the relationship isn't "right." That things are broken, and maybe the relationship needs to end. But what if Roommate Syndrome was a feature, not a bug? What if the miserable state of Roommate Syndrome was built into EVERY long-term committed relationship for a reason? That's what we're talking about today!