So 상투 is a married men hairstyle. In old times, marital status was very important. If a child was married, he& #39;s treated as an adult with formal speech, and an old unmarried man was treated with informal speech. In Joseon dynasty, early marriage for men was common. (cont.) https://twitter.com/CheriKookie/status/1247234914220740611">https://twitter.com/CheriKook...

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Sometimes unmarried men had 건상투 to pretend he& #39;s married so ppl wouldn& #39;t look down on him. But it only worked outside of his village since his neighbors knew he& #39;s not married https://abs.twimg.com/emoji/v2/... draggable="false" alt="😂" title="Face with tears of joy" aria-label="Emoji: Face with tears of joy"> So unmarried men could have 상투, but for drama, it might be intended error for love line https://abs.twimg.com/emoji/v2/... draggable="false" alt="😃" title="Smiling face with open mouth" aria-label="Emoji: Smiling face with open mouth">

Also, historical dramas usually have many research errors so don& #39;t take everything as historical resource! It& #39;s a good start to get familiar with Korean history though! Enjoy your dramahttps://abs.twimg.com/emoji/v2/... draggable="false" alt="💜" title="Purple heart" aria-label="Emoji: Purple heart">