Recently, Xin Qing always wore a smile on the face. Everyone could feel her good mood. But Ying Qingcang suddenly turned worried because of one incident. One day, Xin Qing wanted to have some fermented bean curd on the roadside. He believed it was an important thing to buy snacks on the roadside for his woman, and he must do it in person. So he got off the car with Xin Qing and went to the vendor.

But when the vendor handed him the change, he said casually, "Mr., your little sister ...