The SBS entertainment program 'Running Man' member Lee Kwang Soo announced that his expertise on one-sided love, and made people laugh. On the latest episode of the popular SBS entertainment program 'Running Man,' which aired on January 18, 2015, the five male actor guests played games with the Running Man members. The games were on the subject of the psychology of women in terms of getting men's one-sided love come true, and while playing the quiz, the flower boys confessed their one-sided love stories. Running Man member Lee Kwang Soo, who teamed up with the actors, said, "I am the expert of one-sided love," and made people laugh. In related news, on the most recent episode of the SBS entertainment program 'Running Man,' five actors, Suh Kang Joon, Hong Jong Hyun, Suh Ha Joon, Choi Tae Joon and Nam Joo Hyuk, changed into high school students and played games on the psychology of women. The popular SBS entertainment program 'Running Man' airs every Sunday night, and stars members Yoo Jae Suk, Gary, Haha, Ji Suk Jin, Kim Jong Kook, Lee Kwang Soo and Song Ji Hyo.