Tang Xing was not a fool, he just grew up in a family that was too smooth sailing.
As the old saying goes, it's good to rest in the shade of a big tree. This is the advantageous side that his family provided him. He did not need to worry about his livelihood, all martial arts techniques had been prepared for him. He consumed the best spiritual food, received the best teaching, and took the best spiritual medicines. All he had to do was follow the given steps and he would become powerful.
However, everything has its pros and cons. On the flip side, no grass grows from under a big tree.
Because of his smooth life brought by his family background, he held higher standards in his eyes and also developed a greater dependence.