Han Fei was a very righteous man. Since Huang Ying had saved his life, he wanted to repay Huang Ying by using his abilities to help Huang Ying become successful and well-known.
"Are you sure you want to do this? It seems like your friends don't really like me, especially that security guard uncle from the school. He really is my uncle, full of…"
"The old man really likes you, and he often asks me about you," Han Fei interrupted Huang Ying: "You might not be used to it at first, but gradually, you will find a kind of spiritual healing in your interactions with them. Trust me."
The Huang Ying of the past was someone who appeared mature and steady on the surface but was actually melancholy and introverted at heart, and he had always had his own psychological issues.
Han Fei saw all of this and believed that "Perfect Life" could fundamentally heal Brother Huang Ying, just like it had healed him once before.
The process really wasn't important, what mattered was the outcome.