There are many differences in table manners in different cultures. It is really worth your time to learn about how to behave while eating in other countries. Now your table manners will show your international qualifications. Don't make noises with your mouth. Close your mouth when eating. People make mouth noises because they eat without closing their mouths. When you drink your soup, don't sip it but swollow it all in one mouth full. Don't talk when your mouth full. If someone talks to you, wait untill your mouth is empty before answering.