Inches. Tolerance, some customers are mean and difficult to smooth the courier, and the courier will feel wronged. Third, there is no time to eat. When to deliver the courier, when to eat, and when to be a courier for a long time, it is impossible to lose weight. Tolerance, some customers are mean and difficult to smooth the courier, and the courier will feel wronged. Third, there is no time to eat. Being a courier for a long time, you can't lose weight.