Since my eldest daughter started going to kindergarten this year, my wife has been working part-time about four days a week to help with the family finances... Until then, she had been a housewife raising the children, so I was watching her happily, thinking that it was good for her as it helped with the family 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...