Yesterday afternoon, I went to the pedestrian street to do business. There is a strange man in Lu Yu surrounded by many people. I can't resist the temptation to join in the fun. After reading it for a while, I probably understand what is going on. It turns out that the strange man who "knows your last name by touching your hand" is asking everyone for money. "Brother, I like to deal with frank people when I see you as a frank person." The man said, "Come, let me touch your hand. Ok, draw a circle within your first name and last name. You can guess your last name by simply analyzing your situation. This brother, you are simple and honest, but single-minded, but not very romantic. You are a college student, right? Your relationship with your girlfriend. Let's help analyze how he guessed your last name. Is that "college student" he trusts?