Singer Seo In Young revealed why she left her girl group, Jewelry. On the episode of KBS 2TV's 'Star Life Theater - Seo In Young' part 2, the singer revealed why she left Jewelry, the group she devoted ten years of her life to. "I knew it would be hard for me after I left, but I prepared myself to deal with it. I think a difficult experience is necessary in everyone's life," she said. "I think that only when you go through trying times, you will be able to deal with bigger things after you hit 30 and become a better person. So, I knew it would be hard but I wanted to try to do something on my own," she continued. "I had a lot of concerns before releasing this album. My head hurt more than my body did. I worked harder than ever before to release this one. I think I need something new now," she continued with a laugh. Seo In Young impressed with her genuine and sincere approach towards her music and career. Source & Image: Newsen via Nate