Actor Yoo Yeon Suk shared his breakup story while he was serving in the military. On the SBS entertainment program "Healing Camp," which aired on September 29, 2014, actor Yoo Yeon Suk shared his stories with the hosts Sung Yoo Ri, Kim Jae Dong and Lee Kyung Kyoo.

Actor Yoo Yeon Suk said, "I decided to join the army when I had to serve in the military, because I wanted to stay close with my girlfriend." He added, "But the first letter I received from her in the military talked about breakup, and I was so heartbroken." In addition to the story of his girlfriend when he was in the military, actor Yoo Yeon Suk shared how he used to have a crush on Sung Yoo Ri when she was a singer before he started to work as an actor. In related news, actor Yoo Yeon Suk has appeared in a lot of popular works such as drama "Reply 1994" and movie "Old Boy."