Ever in your car at a stoplight and glance over at the car next to you and everyone in the car looks so happy?

• 你可曾在车里等红绿灯的时候瞥见旁边车辆里的每个人都很开心？当你疑惑着自己为何会处于现在这种疲乏、不知所措、沮丧的状态时，你是否会感觉到心痛？