But she couldn't live with the sight of her son's blood.

She had never been able to bear the sight of blood.

As always, she was shocked by the sight of his blood.

He'd always been very much affected by the sight of blood, he said.

Only his eyes seemed excited at the sight of blood.

John has had to give up his plan to become a doctor because he gets sick at the sight of blood.

Does it make any more sense than Anna not being able to stand the sight of blood?

He lived for the sight of blood on the poor boy lined up against him.

She is a woman to be stirred by the sight of blood.

No close stuff; stay back and cut him up; see how he likes the sight of his own blood.