About two months after Shawn and I started dating, we went to Vietnam for a week. I know this may sound like major excursion, but we were living in Japan, and Vietnam was just a few hours away by plane. We made a plan to start in the south and take the train north. We had no hotel reservations or timeline of events, except that our plane flew into Ho Chi Minh City on a Saturday and out of Hanoi a week later. It was the type of plan I often made in my early 20s, which consisted of, “I’m sure it will be fine.” We spent a great first…