When life throws you a lemon, you make lemonade. This was the mantra, right? In Zuni's life, life was throwing so many lemons at her from left to right that for a moment she was wondering if she was sitting under the lemon tree.
Could it be that she was the root of all the problems? This kind of self-awareness was not something she possessed or would like to possess as it was not her style at all.
After what Luna told Zuni, it was obvious that she would run to solve all the problems for Song Jingren. She just knew that she had to protect him from all the dangers without his knowledge.