This was the real reason why Tang Xiaofan started his investigation. In order to find out who Dou Shengming was, Tang Xiaofan used up all kinds of resources and excluded a lot of people. When Tang Ke'er came back, Tang Xiaofan found out.
When he went to meet Dou Shengming, Tang Xiaofan only felt that it was magical. Blood ties were things that Tang Xiaofan didn't understand before, but he did understand when he saw Dou Shengming.
Having a father like Dou Shengming, Tang Xiaofan expressed his pride. The moment Tang Xiaofan saw Dou Shengming, he immediately understood what his looks were.
Mom and dad, no matter which gene was the most outstanding. Moreover, there were many legends about Dou Shengming. Before Tang Xiaofan left to find Dou Shengming, he already knew a lot about Dou Shengming.