Part 6 The third hormone serotonin When we do something for the benefit of others, So serotonin reigns inside us And arouses joy We do the message on the Internet Reach out to the people All these produce serotonin and we feel happy .
Part 6 The third hormone serotonin When we do something for the benefit of others, So serotonin reigns inside us And arouses joy We do the message on the Internet Reach out to the people All these produce serotonin and we feel happy .