"People do grow up at once. What does it mean? it means that you're an adult in legal sense on your eighteenth birthday, but it doesn't mean you've grown up. The true growing up is coming in a flash. No one knows except yourself, your mind will change, you will feel the weight of life.  At that moment you grow up without anyone noticing. That moment.. it can be next second, tomorrow, the day after tomorrow, ten or twenty years later, your whole life..."  - Ling Xiao- Go Ahead