Actor Phillip Choi revealed that he and Shinhwa member Jun Jin were friends in high school. On the December 14th episode of SBS 'Strong Heart', Phillip revealed, "Jun Jin and I with another friend established 'BOD' in high school and we were popular enough to perform at local events." "But all of a sudden, one day I couldn't get a hold of Jun Jin. He called me a while later to tell me he was going to enter SM Entertainment by himself. I was so angry that I hit him," he continued. Jun Jin explained that he and the last member had auditioned for SM Entertainment together. "Phillip hyung hit me in a way that my own mother would and so I wasn't even mad," he said, evoking much laughter on set. Meanwhile, rock legend Yoon Do Hyun shared some hilarious compilation photos which caused the 'Strong Heart' guests to roar in laughter. [gallery] Source & Image: XSportsNews via Nate