How did Song Hye Kyo feel about Song Joong Ki's confession in 'Descendants of the Sun'?

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The actress said, "In the viewers' perspective, I mused, 'So that's how charismatic [Song Joong Ki] is,' and I thought, 'That's why people like him so much.' My heart was all aflutter watching the confession scene." 

Song Hye Kyo also went on to compliment Song Joong Ki to no end, saying, "As a person, Song Joong Ki is kind, hardworking, and polite with good manners. It's as everyone says. What people liked him about on set is that he was consistent. When people are having a hard time, they can act irritable but with Song Joong Ki, he was the same from beginning to end. He may be younger but I believed I had a lot to learn [from him]. Actors like him are rare these days. When I look at younger actors, there are many who aren't like him."