On March 27 episode of SBS' television show 'My Little Old Boy', HeeChul spoke about his past breakup.

He continued, "I planned to meet my 24 other players at eight in the evening one day. I promised them that I would be there to begin playing the game together exactly at eight."
"My girlfriend was with me at that time. At 7:58, she said she wanted to break up with me. So, I told her, 'Okay, go home then.' But she started crying. So, I went honest with her. I was like, 'I made plans with 24 people first.'", he added.

To this, HeeChul responded, "Well, I didn't really think like that though. She told me that she wanted to break up with me out of nowhere, but I made this plan with 24 players a week ago."
He resumed, "I believe plans that were made in advance are more important. So, even though she cried, I just broke up with her and played the game."
All the members of 'My Little Old Boy' shook their heads side-to-side and said, "That is unbelievable. You were the worst kind of boyfriend!"

(SBS Star)