Maybe he shouldn't have gotten involved with her to start with; he thought he could walk away unscathed when the time came, but Wei Lan's simplicity and purity made him feel his actions were despicable. He also knew that she truly liked him, starting from their university days.
So when he suddenly proposed to her, she struggled mentally for a while, yet still chose to accept.
She was easily satisfied; he only needed to dine with her or buy her small gifts and she would smile at him beautifully.
Her pure smile increased the guilt in his heart.
It also made him start to feel remorse and self-blame.
Taking out the key she gave him, he unlocked her door and walked into her bedroom, this being the first time he visited so late.
On the small homey bed, she was fast asleep, breathing steadily, her chest rising and falling rhythmically, her slightly chubby face appearing very cute.
