In a dark life where she was treated as a pawn, he was her only light. She learned in the darkness that to preserve what was most precious to her, something must be sacrificed.
She was willing to trade her life for his thoughtfulness.
And he also has something precious in his heart that he wants to preserve, just like how she feels about him.
I never thought I would stand by his side as his wife,
But she knew that throughout her life, she would never be able to occupy the position of a wife.
No matter chess piece or wife,
She can be discarded at will.
She is not important to anyone.