This year, when my daughter started kindergarten, my wife started working part-time at a supermarket in the city. My wife had been a housewife raising children for a long time, but even though she only worked three shifts a week, she seemed to enjoy it. I, her husband, watched with a smile, thinking that it was good for the household finances. However, it seems that she has been inviting a young man in his early twenties, who also works part-time at the same supermarket, to come to our house in the afternoons after her part-time job...