The music video primarily follows member , who plays an inattentive and selfish boyfriend. B1A4 – 못된 것만 배워서 (Only Learned Bad Things)
The lyrics were written by the veteran singer Wheesung , with composition by Lim Sang Hyuk, Jeon Da Woon, and Lee Sang Ho. The music video primarily follows member , who
April 21, 2011 (Album release); July 13, 2011 (Single release). The music video primarily follows member
The song explores themes of immaturity and regret in a relationship. The lyrics describe a "bad boyfriend" who doesn't understand his partner's kind heart and repeatedly makes mistakes, leading to a cycle of apologies. Resources for the lyrics are available on sites like Smule , Color Coded Lyrics , B1A4 Wiki , and Dork . Music Video Storyline with composition by Lim Sang Hyuk