Mojo Joyo and his wife, Zainab, work together. Courtesy of Mojo Joyo Mojo Joyo and his wife, Zainab, run chai cafes in California. They tried setting zones of the house and days of the week to avoid business talk. Ultimately, they realized they needed a more integrated communication technique. This as-told-to essay is based on a conversation with Mojo and Zainab Joyo, owners of Elaichi Co. It has been edited for length and clarity. A few years ago, I found myself missing a very specific piece