Zhou Xiaoshu was more eager to be with Su Weifeng, so her focus was on why Lin Xuanxuan would do such a thing, which would help her decide what to do next.
As for Sun Yumeng, she was even more concerned about Su Weifeng himself. Her worry was whether Su Weifeng had run into some kind of trouble.
These concerns may not seem very different, but Su Weifeng could feel that Sun Yumeng was more concerned about him than Zhou Xiaoshu was.
This probably was because the two women had different ways of thinking about someone they liked.
Zhou Xiaoshu liked Su Weifeng and therefore thought only about being with him. As long as she could be with Su Weifeng, nothing else mattered.
But Sun Yumeng's love for Su Weifeng seemed deeper, more profound—she only hoped Su Weifeng could be happy. As long as Su Weifeng was happy, she would be extremely joyful. Her love wasn't about taking, but rather a completely selfless dedication.