When I was at school, I got along well with a cello girl. One day, she and I borrowed 300 yuan. For students, 300 is actually quite a lot. Due to the lack of money, there is only 150 yuan. I asked her, can I just lend you 100 yuan? She said, why don't you give me all 150? Go on, a friend of mine. I went out with a boyfriend that everyone was not optimistic about. I worked hard with him to start a business and ate pickles with him. Once when we went out for dinner, I said to the boy, R is...