The boy turned and said earnestly, "In other words, he'd been there since I left the house in the morning. When I returned to this body, it was after school in the evening. The memory of what happened in between was no longer there. My memory was of the morning, then in the blink of an eye, it was evening. I had no idea what had happened in between."
And then…
"Then I'd feel very tired, completely exhausted, and I'd want to sleep. Sometimes, when there is a personality swap, my heart would follow the overload. I'd feel awful…"
Little Yichen suddenly shuddered. Just imagining this scene was scary. Forgetting one's memories was the worst thing.
One of the reasons people are superior to other animals is because of the composition of their memories. Whether it's reading or working, memory is integral.
Like a loyal dog, even if its master had abused it, it will mostly forget this memory.