Sitting at the same table is a state that all people who have attended school will experience. You share a table and even a stool. You have a natural sense of physical intimacy, but are you psychologically intimate? It's hard to say.
Many years later, when we recall our deskmate, we will listen to Lao Lang's "Your deskmate". Who married you who was sentimental, who read your diary, who rolled up your long hair and made a wedding dress for you? The questions are all about you in the past and you now, and all about your warm memories.