Not Kim Jong Kook, but Yoon Eun Hye’s crush was once another member of Running Man

It turns out that Kim Jong Kook and Yoon Eun Hye's loveline is "fake"?
https://kbizoom.com/not-kim-jong-kook-but-yoon-eun-hyes-crush-was-once-another-member-of-running-man/