Why do you think Andy decides not turn in his poem in tears of a tiger?

Andy decides not to turn in his poem in "Tears of a Tiger" because he feels overwhelming guilt and responsibility for the car accident that killed his friend Rob. He feels that his poem, which expresses his troubled emotions, would be a betrayal to Rob's memory and a way of shirking his responsibility for the tragedy. Andy's decision reflects his inner turmoil and deep sense of accountability.