Pets can have a positive impact on happiness in many ways. They provide companionship, reduce feelings of loneliness, offer unconditional love, and can increase feelings of joy and purpose. Taking care of a pet can also promote routine and physical activity, which are known to contribute to overall well-being and happiness. Pets have been shown to lower stress levels, reduce anxiety, and even improve mental health. Overall, having a pet can bring a lot of joy and happiness to a person's life.