Bar of Chocolate (IMAGE) University of Göttingen Caption How the "good feeling" can influence the purchase of sustainable chocolate Credit Jacqueline Macou via Pixabay Usage Restrictions <a target="_blank" href="https://pixabay.com/service/terms/">Pixabay Terms of Service</a> License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.