Rapper Eun Ji Won reveals Um Tae Woong's strange obsession over his cell phone. On November 1st, according to the producers of 'Win Win', Eun Ji Won was the 'Secret Guest' for the recent episode featuring Um Tae Woong. Eun Ji Won and Um Tae Woon are currently shooting the popular variety show, '2 Days 1 Night' together. When asked about Um Tae Woong's first impression, Eun Ji Won said, "He was very unexpected. Honestly, when you're a part of '2Nights 1 Day', you are bound to get hurt or ruin your image. Despite all that, he still wanted to be a art of it so I thought he was a very good guy". Kim Jong Min, Um Tae Woong's second 'Secret Guest', also added, "Honestly, he was already popular and he didn't have to do variety shows so I thought that he had a reason for doing it". Kim Jong Min also revealed that he thought Um Tae Woong was secretly plotting something against the cast members. It was when Eun Ji Won revealed, "Um Tae Woong has a cellphone withdrawal symptoms," sparking curiosity from the viewers. In addition Um Tae Woong admitted, "I get depressed without my cellphone. I want to take pictures of all the beautiful�scenery�but I can't" revealing his distressed moments when he is away from his cellphone. Lastly, Um Tae Woong revealed, "I would rather text than call." Source & Photo: Naver