Different eating habits. Northerners love noodles, while southerners love noodles. Northerners love salty bean curd, while southerners love sweet bean curd. Northerners love to eat with big mouths, while southerners love to eat with small mouths. There is really a big difference in diet between northern students and southern students. I have a high school classmate who went to Wuhan University. A few days after she went to school, she planned to eat tofu brain. She didn't pay attention at that time. She bought a bowl, thinking of putting some coriander and pepper. She found that there was no such thing. Then she thought about it and ate it first. I put a spoonful in my mouth and spit it out. It turned out to be sweet. How to eat? Of course, this kind of thing will happen in the north, for example, my roommate in Hubei can't accept salty bean curd. Therefore, it is also a big obstacle for students from the south to come to the north or for students from the north to go to the south.