When her brother came back, she thought she could finally outdo Yang Chuxia. She believed she would finally live a life with servants waiting on her and could wear gold and silver. However, she forgot that her brother was just a County Magistrate and his salary was not much.
As a result, her clothes, food, and accessories still couldn't compare to Yang Chuxia's. Every time she thought she had something good, it would seem inferior in front of Yang Chuxia. That was why she frequently sought out Yang Chuxia.
It was all about comparison! When she couldn't surpass Yang Chuxia in material possessions, she finally found a way to feel superior: her identity as a daughter of an official's family. She started to feel like she was above Yang Chuxia, who came from a common family of merchants. And so, she frequented Yang Chuxia's place even more, acting like close girlfriends.
As for why she came today?