Nina didn't know why, but she felt she had the desire to go back to the S country.
In S country she lost the most important and precious part of her life, lost her innocence, dignity. but she gained something precious in return.
Her Noah, when she was hanging between life and death, he came into her life as her guardian.
When he learned to crawl she also learned how to gather her world for him when he first tried to learn to stand, she tried to strong herself to enough, so he could lean to he