when I was younger I will always be guilty about wasting my time, I want to keep learning new knowledge. Actually I don't need to be like this. The most important thing is to live in the moment. Then you may find out something which confused you for a long time will be solved as well~                             Share a quote that I like the most"the time you enjoy wasting is not wasted"                                                                              

BGM--sugar girl /can't keep it inside