Gu Qingyuan doesn't necessarily have to do this, but by doing so, he has a greater chance of getting Gu Xiaonuan's attention.
Once he gets Gu Xiaonuan's attention, it provides an opportunity for forgiveness. As these opportunities increase, the possibilities become the same.
Avoiding similar incidents is also to prevent such issues from affecting them. There were opportunities initially, but such chances aren't always available.
The problem with what he's doing now is this, and all his thoughts are along these lines.
If possible, these issues should all have a proper explanation. Without even the most basic explanation, what will they do in the future?
As the problems grow larger, Shen Biran can issue an ultimatum to Gu Qingyuan.
Shen Biran didn't intend to go back to how things were with Gu Qingyuan, but it's Gu Qingyuan who insists.
There are reasons for why Gu Qingyuan is doing this.
