My Girlfriend Has a Heart of Glass

The novel tells the story of my girlfriend and I. She was hurt by a man for the first time and was heartbroken, so she changed to a glass heart, which cost one hundred thousand dollars. The second time she was hurt by me, her heart died again. The second time she changed her heart, it was one million. If she was hurt again, it would be ten million, or even one hundred million. It turns out that hurt has a price. What's even more frightening is that after the change of heart, my girlfriend didn't recognize me. Could this really happen all over again?