Boys escape because of inferiority and girls cater to it because of inferiority. The loneliness of a boy comes from himself. He seeks outside and needs to be filled by the affirmation of the outside world. The loneliness of a girl comes from the outside world. She seeks inward and needs inner peace to heal herself. They have different sensitivity, vulnerability, confusion, inferiority and loneliness, so they can comfort each other, but it is difficult to rely on each other. But when they can meet each other, they already have the luck that ordinary people can't reach.