She didn't understand why, despite having decided long ago that she wouldn't give up upon her return this time; despite telling herself countless times that as long as Xia Ning was alive, it would be impossible for her to completely sever ties with He Xing; despite reconciling with herself during so many late nights; despite convincing herself to turn a blind eye to Xia Ning's affected behavior, still...
It turns out that while it's possible to convince oneself temporarily with so many reasons, it is impossible to convince oneself for a lifetime, to convince one's heart.
Ever since Xia Ning appeared, Fu Han knew that no good would come of it. Actually, at first, she was satisfied with He Xing's reaction, where he did not position Xia Ning on an equal footing with Fu Han.