SISTAR's Soyu opened up about her past strict, and possibly unhealthy dieting on the July 19 broadcast of '1 vs. 100.'�

The idol revealed how she achieved dramatic weight loss in the past, saying, "There is a really terrible [dieting] method among the methods I've tried, and I lost 8kg (~17.6 lbs) in one month. I did not eat any carbs or sodium."�

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Soyu then revealed how she had broken down during this diet, confessing, "My mom's friend handed me some watermelon to eat but I felt like everything I accomplished [with my diet] would come crashing down, so I cried holding the watermelon."�