What is love? Love is a chemical reaction of different types of emotions mixing together in the body. Love is a deep longing for someone or something. Love is what God had in his heart when he made the sunrise and sun set. Love is the swans out on the lake in the early morning, or the cheeta cubs under a tree in the hot african sun. Love is a couple that has been married for 50 years walking along the beach in the evening. and love is the full moon and stars