On the February 5th airing of MBC's 'SISTAR's Showtime', rapper Mad Clown guested on the show in order to help out Hyorin and Bora cover his hit song "Stupid In Love". 

While practicing the song, Hyorin asked Mad Clown, "Why do the lyrics say that he made her leave, but then says that he thinks he's going to talk of leaving? After treating her badly and making her leave?" 

Being just a few years older than Hyorin, Mad Clown wittily replied, "You're too young to understand the lyrics." Bora asked a follow-up question, asking, "Are all of your songs based on your real experiences?" 

Mad Clown answered, "Half from experiences and half imagination, but mostly from experiences," and revealed that "Stupid In Love" along with "Stalker" were also based on his experience.

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Mad Clown explained, "When I was in college, I was in a relationship where I was the clingy one. And I had a really hard time. I wrote the song 'Stalker' based on that experience. After I experienced such heartache, I've become the bad one in relationships." 

The rapper also revealed that the song "Stupid In Love" is based on the uneasy emotions that he dealt with in a relationship because of his bad boy behaviors.