He has lost his memory.
After working so hard to abduct him, he actually forgot everything.
It's better to let those sad things disappear in her mind and start over.
Chenxing has never done anything big in his life. The only thing he did was to take advantage of someone's danger and take him away and keep him by his side.
Although unexpectedly, he lost his memory. But whether he still has memories or not, she will make him give up on the person who hurt him and then be reluctant to leave her.