She suffered from schizophrenia due to childhood memories.
It's a dual personality
The first personality is sinister, irritable, and has a slightly poisonous tongue.
The second personality is cold-blooded, cruel, poisonous, and violent
He was framed everywhere because of his great strength. In order to survive better, he chose to pretend to be stupid.
Pretending, putting on a hypocritical mask
The mask is a cheerful smile and helpfulness
Under the mask is a small sun that is hot on the outside and cool on the inside.
Once the gear of fate turns, it can never be turned back.