Leeteuk didn't know how to respond on SBS "Strong Heart" that was aired on Tuesday by Dasom and Kang Yesol's 'casanova' story of Leeteuk.

Kang Yesol said "I knew Leetuek from cable programs but he texts me whenever I change my phone number." Dasom also said that he texts her often.

Leeteuk didn't know how to respond. Kang Yesol added on saying that he texts her three in the morning, and dasom added on saying that he sends it to all of the members and asks how they are doing, not only for me.

Eunhyuk said "he's like that. Don't be surprised." Lee Jihyun said that Leeteuk is very lonely and trying hard with everyone. Leeteuk explained saying that he texted all the people on his contact list when he was in China. Dasom created a laughter saying that there's a rumor to watch out for Leetuek within the girl groups.