seokjin is your uncle and husband, you married seokjin because of seokjin's mistake, you and seokjin have a 3 year old son named jaemini and seokjin is older than you

now at the family reunion you are sitting with your mother, seokjin's mother and the others and seokjin was sitting with his son, seokjin's father, your father and his siblings, while you were looking at your son seokjin's mother was holding seokjin's shoulder

"son, your wife is 20 years old, don't have any more children until your son is 4 or 5 years old and you also have to remember your wife is your own niece"

said Seokjin's mother seriously, Seokjin heard that holding back his irritation