chapter 91 was targeted

The three of them were dining together.
Zhong Changyun had recovered a lot, and his appetite had also improved. He and Susan were chatting with each other.
They were talking about university matters, and Chuck Hao listened to the two of them quietly.
After a while, Chuck Hao asked, "Professor Zhong, I have something to ask you. When did your heart start to feel uncomfortable? Did you experience anything during that time?"
Zhong Changyun recalled for a while and said, "When my heart started...