Henry talked about his interest in Roy Kim's sister on 'Happy Together 3'.

On the May 18 airing, the MCs asked if Henry really desires to become Roy Kim's brother-in-law. Henry answered, "Yes, she's my ideal type."

He continued, "I went to the Han River with Roy Kim's sister before. My friends and noona are very close so we went camping together."

Roy Kim, totally surprised by Henry, asked, "Camping? It wasn't just the two of you, right?" Henry assured that it wasn't just the two of them, however, he continued to express interest in his sister, saying, "Roy Kim's sister made me nervous from the moment I met her. I kept looking at noona during camping."

Henry also revealed that he's currently searching for his future wife. He said, "It's been 9 years since I've dated. I even considered signing up for a marriage matching company because my partner would not appear."

Throughout Henry's talk about his interest in Roy Kim's sister and desires for marriage, Roy Kim brought laughter as he couldn't hide his shock.