Shen Biran forgot how she was moved by Gu Qingyuan and eventually decided to agree with Gu Qingyuan to raise Gu Xiaonuan together.
But at that time in the past, Shen Biran believed in Gu Qingyuan.
She believed that Gu Qingyuan could bring her and her daughter a happy life. Although such a happy life might not have a reliable time limit, at least at that time, Shen Biran believed in him and never thought he would lose such a person.
Now she has lost Gu Qingyuan's help, and Gu Qingyuan has his reasons for doing so.
If we have to say why he did this, perhaps it's because he deeply regretted his past actions.
He regretted, he felt he shouldn't have abandoned Shen Biran, even if the situation was tense at the time, he shouldn't have done so.
But now his regret requires more time to turn around. If matters cannot change, then there's no way to seriously think about the life ahead.
Eventually, it has to be done, and he doesn't need this kind of situation either.
