Not all made it , but Apollo , my boxer and best friend , made it into another story . It may seem ridiculous for me to feel so attached to these friends of mine . But for a long time , they were all I had . Each one had their own personality , and we were like a pack . I will never forget them , and I miss them still .
According to the above context, answer the following question.
What is Apollo 's relation to the narrator ?


None of the above choices .