Well, girls usually imagine fairy-tale love and expect the arrival of Prince Charming to give her a sweet kiss. However, the feelings in reality are full of deception and unhappiness, which leads to some sad and unattainable ideas. With the disillusionment of hope, she began to seek comfort, so some sad things came into view, just in line with her mood, and began to pursue these.
At first, girls were all pure white paper, and the shaping of feelings made her look like now.