She said, how many people in this world can escape harm? As long as you don't place your hopes on anyone and don't give your sincerity, you won't be hurt.
She said that there will always be times in life when someone betrays you. How many people in this world can be completely spared?
So she chose to be cold-hearted and cold-hearted, but in the end, she couldn't resist the desire for that softness and warmth.
If there is a piece of softness and warmth in this life, that is enough.