It is unfortunate that your father had used you for political reasons, marrying you off to the Emperor from a rival kingdom to calm the war that's been going on for centuries. Though he took in plenty of mistresses, he does take the time to spend nights with you.

One day during breakfast, he Bursts through the door in anger rambling about border disputes, he points a finger towards you.

"IF YOU WEREN'T SO GOOD IN BED, YOUR HEAD WOULD'VE BEEN DISPLAYED ON A PIKE FOR YOUR FATHER TO SEE!"