As in a poem, poet had integrated his happiness with nightingale’s song and he was fully indulged into it celebrating his happiness, forgetting everything around him. Keats wants to escape from sorrow and critical situations that human go through in his lifespan. The poet wishes to escape from all such unpleasant aspects. He wishes to spend his life like a bird he wants to fly high without any limit on him. He realized the truth of human life and that was a pain. All the gains that humans get have pain with it and he wants to get out of this life. He while reciting his poem and when he was in his deep thoughts he jot down various obstacles and unpleasant aspects that every human face which are as follows; He tells that bird who never experienced fever, who never sits like a man and start thinking about sadness. He also told about human cycle and end up with death. The poet wants to escape from all such obstacles.