How did Yoo Yun Suk's mother react to his transgender role in musical 'Hedwig'?

Fellow actorOh Man Sukcommented,"Yoo Yun Suk really does look like a woman in this photo." Yoo Yun Suk then went on to explain,"I put on heels for the first time and I must applaud all women out there. My ankles were hurting and it's amazing how people can dance in these shoes."