Humans could only see the world as it is, but Celestials were capable of seeing beyond it.
Han Ying did not understand that when Shen Lian said he was greater than stars, it was not all talks. The Eldest Young Lady, Chen Qing was on her back and Shen Lian was lying on top of her head.
She did not have much energy left, and yet Shen Lian was resting next to her ears, correcting her breathing methods. Despite it being awkward at first, but she realized that she could always muster up energy with her exhausted body.
Shen Lian told her to get into the woods. In nature, even if the rebels were to find their way over, Shen Lian would be able to protect the both of them easily.
Even though Shen Lian was merely a baby who could not even walk yet, Han Ying chose to believe in him - she herself was unsure why.