Self-centered individuals possessing a callous nature do not appreciate the feelings or needs of others. They prioritize their own wishes above all else, exhibiting a total lack of empathy. These individuals fail to comprehend the importance of selflessness and unselfish acts towards their human beings. The only focus remains on fulfilling personal desires, never realizing the hurt they cause to others. Fundamentally, selfish people are perpetuate a society lacking sympathy and compassion.