The previous writer, after time-traveling, profoundly demonstrated what it meant to be a "peerless virtuous wife," not only did she take care of all the household chores, but she was also extremely skilled at making money and managing resources.
Qiao Zhenbang never felt the pressure to provide for the family, and to maintain his pretense, he kept company with the actual riffraff in the area. He inevitably picked up some bad habits involving eating, drinking, and merrymaking.
With his wife managing everything at home, Qiao Zhenbang had both the leisure funds and time to mess around, so he really started to act like a hoodlum.
Qiao Zhenbang, being the male lead, had at least a sense of right and wrong and some shame.
So when He Tiantian looked at him with eyes like one would look at trash, he thought about his behaviors over the past year and suddenly felt incredibly uncomfortable.
The past him seemed to have gone a bit too far, indeed.