What is Chen Meijia laughing at in the second episode of ipartment?

Before, it was said that Zi Qiao sold the elixir at someone else's wedding. He laughed and said, "Pursuing the peak feeling and creating a happy life", because Zi Qiao said that a fortune teller said that he had a young master's life, and the fortune teller turned out to be dumb. Later, Meijia laughed and said that Zi Qiao had found a one-time job and should donate sperm.