"You can't laugh or cry. You are a monster."
"There's nothing worth crying or laughing about."
"I will protect you forever."
"You can only believe in yourself in this world, this is what my mother said."
Mo Ran never trusts anyone, because this is her principle. She does things with principles, because those are her principles. Even a major event like traveling through time could not change the worldview that her mother had cultivated for her since she was a child, but it also changed her.
Mission: The world is not lonely