In front of others, Wonwoo is always a cool, calm and collected man. But behind all that calm facade, he's actually a quite reserved person and dislike social interaction. He always try to avoid small talk and social gathering since he think it's a waste of time, that's the reason others usually thought he's a cold person but he never really care about it.

When the marriage arrange talk started between your family and his family, he was the one who agreed to it without any complain.