I don't know why. I've changed in some way. I kind of like the way I changed, and accepted the result happily. But I feel sorry to my friends for being self concern a long period of time. But I gradually realize that we all have to grow up and be socialized, then finally become people we have not imagined before. Until we are at certain age, we understand how adult's life goes. This is life, maybe. Everyone has their own task to conquer in their life, and without someone standing beside. Then that's why we all need to be brave and store some courage for emergency. We all will face the turning point someday, more or less, early or later.