Rules of Jiangsu, Zhejiang, and Shanghai: 1. If a child is hungry, they can start using chopsticks first. 2. If you pick the same dish more than 3 times, it will automatically refresh in front of you. 3. Children can sit anywhere, except at the dish-passing spot. 4. If you're full, you can leave the table to play with friends. 5. If there's a dish you like, adults will call you back to eat.