Girl's Day's Sojin was the guest on the May 29 airing of 'Problematic Man' where she discussed her school grades and her past dream of wanting to become a doctor. 

Before the problem solving and brain teasers began, Sojin showed the 'Problematic Man' cast her past report cards, humbly bragging to them that she was one of the top students at school. The idol also revealed that she had dreams of working in the medical profession. She said, "I wanted to either become a doctor or work as a doctor of Korean medicine."

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Sojin, who majored in mechanical engineering at Yeungnam University, said she was quite popular among the guys. In fact, she was so popular that she rarely had to pay for her own meal. Despite her popularity, Sojin claimed that she "never dated" while attending university and that she met her first love after the age of 25. 

Sojin's the complete package; she's got not only beauty but also smarts!