Eliza was still telling her story, and Nina watches her weirdly.
Even though she doesn't remember doing something like that, it doesn't mean she wouldn't do it. Because as soon as Nina saw Eliza in the ballroom, she was already thinking about how to get rid of her.
So why should she spare Nina's life?
"You know, the bad thing is that I felt so ashamed that I didn't even want to see the love of my life. He took me to the hospital, and I didn't want to hear the medical report, and know if something had happened or not, but one thing is for sure, is that when he didn't see my results. He didn't even blink. At that moment, I said to myself. This man loves me, but I still didn't want to see the results," after a pause she continued.