Contractual Marriage to a Surly Duke

I’m Selena, a daughter born to a family well-known for their fertile women. I was sold off in a marriage to a sickly duke whose life hung in the balance, for the sake of producing an heir of his family. They provided me a medicine purported to aid in pregnancy, and the astrologist even advised me about good days to sleep together, but…there was no child. "So, are there any signs of pregnancy?” “Ah, I-I’m sorry.” “You’re useless. What luck do you think won you the position of the duke’s wife?” I couldn’t say a word. ‘No, excuse me. I only have to look at the sky to pluck a star. That’s how I attained this position. A husband who doesn’t like touching me in the least... Source: NU