What should you pay attention to the etiquette when you are going to have a dinner with a noble?

One should pay attention to dining etiquette and table manners, regardless of whether one is dining in the company of those holding a title of nobility or dining at your local McDonald's. Table manners know no class distinction. Specifically, regarding dining with anyone of presumed importance, the only manners specific to the situation would be the seating arrangement, any toasts that need to be made, who will be served food first, and when one should start dining. Special table or dining manners specifically suited to dining with nobility or those deemed celebrities; Do not ask for an autograph or photo if you are dining with nobility or someone considered a celebrity. Address people in the same manner that they are introduced to you. Do not act overly familiar with new acquaintances you are dining with regardless of how you are treated. Table manners for everyone, including nobility, are these; Sit up straight in ones seat. Offer to help others if it is needed. No passing items in front of someone else. Say "Excuse me" or "Pardon me." if you need to reach in front of someone. No elbows on the table. No talking over others. No offensive language. No possibly offensive topics of discussion. No talking with food in ones mouth. No taking another bite of food before one has swallowed the food already in ones mouth. No criticizing the food. No criticising the host, hostess or any other person dining with you or near you. No gossiping. No cell phone calls unless everyone dining with you is privvy to that call. No texting unless everyone at the table is privvy to the texts. No photos of others without their permission and the hosts or hostesses permission. No whispering of private jokes at the table. If you need to sneeze or are having any other bodily issues, quietly excuse yourself from the table. Your host or hostess will appreciate your thoughtfulness.