“I didn’t know your sister was back with her ex-husband,” my Japanese wife said to me while scrolling through Instagram.

“Huh?” I replied, dumbfounded. No way was she back with her ex. “What are you talking about?!”

“Look, it’s right here,” she said, showing me her cellphone. “She just posted a picture of her and her ex-husband. They must be back together because they’re all lovie-