Tak Jae-hoon and Han Hye-jin, 15-year age gap creates a 'pink' atmosphere... Curiosity arises over ideal type question

On the May 10th broadcast of SBS's 'My Ugly Duckling,' Tak Jae-hoon, Han Hye-jin, Shin Kyu-jin, and Song Hae-na appeared together, previewing a special episode of 'I Am Solo.'
In the teaser revealed at the end of the broadcast, Shin Kyu-jin mentioned comments to Tak Jae-hoon and Han Hye-jin, asking, "Did you see the comments?" Song Hae-na added, "There were a lot of comments. Many said you two look good together." In response, Tak Jae-hoon showed interest by asking, "Are there any comments that encourage us more?"
Additionally, Song Hae-na shared her ideal type, saying, "I hope the person doesn't like drinking." When Kim Jun-ho told Shin Kyu-jin, "You don't like drinking," Shin Kyu-jin expressed anticipation, saying, "Is that a green light?" Song Hae-na intensified the atmosphere by lightly touching Shin Kyu-jin.
Shin Kyu-jin asked Tak Jae-hoon, "How much does Han Hye-jin fit your ideal type?" Tak Jae-hoon replied, "Han Hye-jin? She likes me, right?"
Then, Song Hae-na asked Han Hye-jin, "Up to what age difference is acceptable for comfort?" Han Hye-jin answered, "About the age difference between my mom and dad," revealing that her parents have a 15-year age gap. Shin Kyu-jin mentioned that Tak Jae-hoon and Han Hye-jin have a 15-year age difference, and Han Hye-jin showed surprise at this fact.
Finally, when Song Hae-na asked Han Hye-jin, "How much does Tak Jae-hoon fit your ideal type? Honestly, as a man," Han Hye-jin hesitated before answering, and all the cast members reacted with surprise, drawing attention to what her response would be in the full broadcast.