There was clearly a large empty room in their house, and Qiao Nan had done so much for the family over the years, even giving all of her earnings to her family. But in the end, after Zijin got married, they chased Qiao Nan out of their family home. They would much rather leave the room empty and let Qiao Nan spend a fortune renting a place for herself in an unfamiliar environment.
Because of their actions, it was no wonder that their neighbors wondered whether Nan Nan was truly Ding Jiayi's biological daughter.
Even Qiao Dongliang himself would have moments of doubt where he thought that his memory might have been hazy. Could it be that he had not seen Ding Jiayi personally giving birth to Nan Nan in the hospital and that Nan Nan was just a kid that he picked up from the streets?