The August 17 episode of KBS Joy's 'The Girl Who Leapt Charts' explored how well Seolhyun and Zico match up, using the 'science' of reading physiognomies, i.e. facial features. 

MC Lee Sang Min and AOA's ChoA explained, "There is a high possibility that it's difficult for Zico to find a girl who fits his personal preferences. But there is also the high possibility that he will find a girlfriend easily and that he will make up with his ex," basing their analyses on Zico's facial features alone. 

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The MCs then revealed, "News Zico and Seolhyun's relationship blew up after the recording for this show." 

'The Girl Who Leapt Charts' also put forth the claim that Zico's full lips, in particular, make him out to be a competitive type who just has to date the girl he has his eyes on and that Seolhyun's lips indicate that she is drawn to men who are expressive with their affections.