On the episode of 'A Gentleman's Dignity' that aired on July 1st, the personal history of Park Min Sook was shown.

Lee Jong Rok who likes every girl in the world except his wife, gets kicked out of the house because of pure evidence that he cheated. Lee Jung Rok(Lee Jong Hyuk) sneaks into the house while Park Min Sook is out to gather some of his belongings.

Even at the verge of a divorce Lee Jong Rok, decides to avoid his wife. Right before he is about to leave the house, he opens the fridge and packs the remaining herbal medicine in his bag. But right when he is doing this Park Min Sook comes home.

Lee Jung Rok freezes and doesn't know what to do when Park Min Sook finds him in the kitchen. Then she goes on to comment "You really care about your body. Do you even know what that herbal medicine is for?" Lee Jong Rok replies "It's to make babies. You should take the herbal medicine consistently too."

Hearing what Lee Jung Rok says, Park Min Sook turns her head around to hide her tears and tells him "Get out." Lee Jung Rok leaves the house in despair saying "I do have to get out."

Analyzing the scene, it shows that Park Min Sook is infertile. Her character is in her 40s but has the appearance of a young 30s women, that obtains wealth and brains but her infertility shows how lonely she is.