Why Does He Walk on the Outside?The surprising history of a common dating gesture.

From the show

Hidden Codes of Conduct

That sidewalk shuffle when a man places himself between his companion and the street isn't just a random act. This gesture has a long history, dating back to a time of horse-drawn carriages and flying sewage. Today, it's seen as a polite way to shield someone from traffic, but this unwritten rule is sparking new conversations. We explore whether this old-school custom is a sign of respect or an outdated relic of chivalry.