Because Mosen's illness is a family-inherited mental disorder, sometimes when it flares up, he can't control or calm himself.
So Shangguan Xi was unfortunately injured and fell into a coma because of this incident, and when she woke up, she forgot everything.
Mosen, however, was particularly delighted by this because the amnesiac Shangguan Xi seemed like a Little White Rabbit—she wouldn't argue with him, wouldn't avoid or shun him, and he could do whatever he wanted.
Then hurriedly, he took her from abroad to that island and lived there with her.
Moreover, Mosen consistently fed Shangguan Xi a drug that kept her in a state of mental haze, so during that time, Shangguan Xi truly believed she had only stayed on the island for three months.
In truth, she had been Mosen's maid and lived with him on that island for over a year. It wasn't until she later met Shangguan Xiu that Shangguan Xi finally left the island.
