Descendants of the Sun surely took the world by storm. Truly a big hit today, the 16-episode series is also being being exported to 25 other countries! One of the reasons for this show’s major success are it’s characters but what it really heightened is the fangirls in us swooning over Captain Yoo Si Jin or in real life Song Joong Ki. And here are the 10 reasons why the world swoons over this loved man.

1. His yes-I’m-Captain-of-the-Special-Forces-Unit face.