lack of excuse

...

...

The parents still preferred him over her, their diligent and intelligent daughter. The reason? Simply because he was a boy, and they thought that all boys go through their rebellious phase, and then after that, things would be on the right track. He would go back to the right course and do stuff that would make them proud.

They never saw Shao Ying's excellence.

Shao Ying's also parents never considered that by being this tolerant and pampering, they had actually harmed him and turned him into a good-for-nothing.