Pets can help with depression and anxiety in various ways. They provide companionship, reduce feelings of loneliness, and can offer comfort during difficult times. Taking care of a pet can also give a sense of purpose and routine which can help improve mood and reduce stress. Additionally, the act of petting an animal can release feel-good hormones like oxytocin and reduce levels of the stress hormone cortisol, leading to a calmer and more relaxed state of mind. Overall, pets can provide unconditional love and support, helping their owners to feel happier and less anxious.