"Love has no place in alliances of state."
The cynical/romantic personality trait reflects the MC's feelings primarily about matters of romantic love. It's possible to maintain this trait at a neutral balance, unlike some other personality traits.
How it influences the game
The sheltered princess background is locked out for cynical MCs.
Matchmaker first interview
"No one likes a cynic, dear."
How to change your personality
When asked about your maid marrying a much older man.
Matchmaker's first interview
When asked if hoping for a love match. The Matchmaker's response will be disparaging, regardless.
On Hamin's date: "I think giving me a stone the color of my eyes is romantic."