Specific chat content can refer to the following:
First test each other's hobbies, temper and personality, and then talk about things according to people with different personalities. You can talk about some interesting things about you and your career planning, and then you can learn about each other's family situation by the way. For example, when talking about parents, you can also get to know each other's parents by the way, and then find someone who you think is easy to communicate with or has the final say at home, provided that you already like each other.