In the evening, Yang Ping returned home. Xiao Su had already prepared dinner, and their son was crawling around on the floor, hugging Yang Ping's leg and slowly standing up, giggling at him.
Yang Ping picked up his son, and a warmth surged in his heart. He hadn't spent enough time with his son, as he'd been immersed in the laboratory.
"Have you been very tired lately?" Xiao Su asked.
"Not tired," Yang Ping said while playing with his son. "Seeing you and our son makes me not tired at all."
Yang Ping sat down for dinner, letting his son sit on his lap.
"Sometimes I wonder, if we really find that universal key, if K Therapy really cures many cancers, what would the world become?"
"There will still be other diseases, but new diseases will emerge slower compared to humanity conquering old ones. Although diseases won't disappear, people will be healthier and live better lives," Xiao Su said.
