"Why is he suddenly interested in mechanical engineering?" Avery wondered, "He didn't tell me."

"No one knows what your son is thinking. If he doesn't commit any crimes, just let him do whatever he wants." Mike didn't want to control Hayden.

"Mike, go and see that professor." Avery was not at ease. "I want to know why Hayden chose to be this professor's student. I want to see how they talk in private."

"Let's talk after you have the surgery!" Mike said, "If your surgery is successful, I'll make an appointment with that professor."

Avery nodded.

After she took a nap, Mike came out of the ward.

Lilith and Ben stood outside the ward. He wondered when they would arrive.

"Has Avery rested enough?" Lilith asked.

"Yes." Mike looked at Ben, "She doesn't want to see you."

"I guessed that." Ben had just found Avery's attending doctor and heard about Avery's choice to use an artificial cornea.

Although he could understand Avery's choice, he still felt a little regret