Kangnam expressed his gratitude to Lee Sang-hwa. On the September 27th broadcast of MBC's "The Manager," Kangnam enjoyed a cheat day by taking out ramen and ham while Lee Sang-hwa was away. Kangnam mentioned his health condition, saying, "I had severe fatty liver. It was the worst among celebrities. I drank a lot. I also have Gilbert's syndrome. The doctor told Sang-hwa about it, and she was shocked. I cried during the health checkup. They said my fatty liver has cleared up."

Kangnam also revealed that his father had liver cancer. He said, "My father had liver cancer. I went to Japan to take care of him. Even when I wasn't there, she went alone to take care of him. He healed earlier than expected, and now he can walk." Kangnam expressed his gratitude to Lee Sang-hwa throughout this process.

Kangnam mentioned that he cried after the health checkup. On this episode, Kangnam and his manager appeared and shared their cheerful daily life. When Kangnam opened the cupboard to eat, the health supplements stacked inside caught attention. Kangnam's manager said, "(Kangnam) has liver problems, so Sang-hwa takes good care of his diet and surroundings." It was revealed that Lee Sang-hwa is in charge of managing Kangnam's diet and exercise.

The manager shared an anecdote, saying, "Recently, when going to meet his mother-in-law, she dropped him off halfway at the Han River and told him, 'Run from there.'" Kangnam took out ramen, spam, and frozen rice for his cheat day after several months. However, he looked around the empty house anxiously, which made people laugh. Watching the VCR, Kangnam said, "I probably had the worst fatty liver among celebrities. I drank too much. And I have Gilbert's syndrome. It's not fatal, but I have to keep my liver healthy. The doctor told Sang-hwa about it. She was shocked and started managing my health."

Kangnam later said that after receiving care from Lee Sang-hwa, he reduced ramen and desserts. He added, "I hardly drink alcohol anymore." Kangnam confessed, "I cried during the health checkup. The moment they said my liver was clean, I was so thankful to Sang-hwa."

On this broadcast, Kangnam emphasized that Lee Sang-hwa saved not only him but also his father-in-law. Kangnam said, "Sang-hwa even went to Japan to organize things and take care of his meals. Whenever I had a schedule, Sang-hwa took care of everything. So he healed earlier than expected and now can walk."

Kangnam said he recovered his health thanks to Lee Sang-hwa's thorough care. He said, "If it weren't for Sang-hwa, I wouldn't have become this healthy." Through the broadcast, Kangnam expressed his gratitude to Lee Sang-hwa and shared an honest story about managing his health.