Gu Zi had not anticipated that Su Bing would understand her actions so well. Indeed, as he had said, Gu Zi preferred to deal with her enemies in a way that would not tarnish her reputation. When her enemies became as agitated as rabid dogs, she preferred to watch from the sidelines rather than confront them head-on, allowing the mad dogs to bark at her, causing her distress and damaging her reputation.
Now that Zhang Mei was causing such a commotion, she likely knew of Su Shen's identity. Upon seeing him, she would undoubtedly approach with a face full of flattery, so fake that it was irritating. She would likely bring up the favor of raising her, and while it was true that the Gu family had raised the original host for eighteen years, even if they had behaved poorly afterwards, that favor could not be erased. Therefore, Gu Zi could not always argue with her directly.