Since our eldest daughter started kindergarten this year, my wife started working part-time about four days a week to help with the household finances... Until then, she had been a housewife raising the children, so I watched her happily as she seemed to be doing it and thought it was good for her as it helped with the household finances. However, recently, it seems that she has been having tea and chatting at our house with a young man around 20 years old who is also working part-time at the same workplace...