YSK for people who feel like they need to get married before the age of 30: the average age of people getting married increases over time, so getting married after 30 is natural and there's nothing wrong with that
from /r/YouShouldKnow
對於那些覺得需要在30歲之前結婚的人來說，YSK：隨着時間的推移，人們結婚的平均年齡會增加，所以30歲以後結婚是很自然的，這沒有什麼不對。