Even though you warned Amanda that John's operation would have to be performed in a hospital, she flatly refused, offering to find the utensils so you could operate on him there.

After a tortuous time operating on John, he took your hand, thinking you were Amanda, to which she reacted with jealousy. As she was about to burst with pain, she left the room, and went to her small bed, taking out a small box with objects, sharp objects and other things.

And that's what she did, rubbing the inside of her thigh to "release" the pain, then bandaging herself.