answer: #Person1# and #Person2# are talking about Jack who becomes competent after his father died.
documents: #Person1#: Is Jack still staying idle everyday?
  #Person2#: No, he has mended his way. After his father died, he set his hand to the job of putting his business affairs in order.
  #Person1#: Really? He is so competent now.
  #Person2#: You can't imagine what he is like now.