(1)
Nian'an thought that in his gloomy life, he had always walked alone. But when I looked back inadvertently, I found the silent companionship.
(2)
In her next life, Nian'an was always ready to say goodbye to this world again. She thought she was a whale with a frequency of 52 Hz, but she never expected that one day she would wait for a frequency consistent with hers.
Purpose: If we had to do it over again, life would have a happy ending.