13 Years old, just a back view, since then the love has been deeply rooted. 14 Years old, all I long for is a look back at 15 years old, the first intersection, the sad beginning. 16 Years old, a strange environment, the power of China Post. 17 Years old... 18 Years old... 19 Years old... 20 Years old... 24 Years old, you must know that it is difficult to quit a habit...