We've been married for 15 years now. Our daughter has gone on to college and is living in a dormitory. However, we keep in touch almost every day, and I thought our relationship as a family and as a couple was going well. ...But then I got a message from my daughter saying that she hadn't been able to get in touch with her recently... Come to think of it, something had been strange since we went to a class reunion recently. Feeling something was off, I secretly peeked at my wife's smartphone and saw numbers written on the calendar. A total of 125, but I didn't know what the numbers meant. And by the time I did understand what they meant, it was already too late...