Have you ever known anyone who changed so much that you felt he or she was no longer the same person? Have you known someone as a child or young boy or girl, then not seen them for 10 or 15 years...

Have you ever known anyone who changed so much that you felt he or she was no longer the same person? Have you known someone as a child or young boy or girl, then not seen them for 10 or 15 years until they were a grown man or woman? Have you felt that they had changed so much that you could say they were not the same person you once knew?