A tough crack to nut

My ex is a tough crack to nut. I tried to charm her for a year and she still laughed in my face.

That girl at the bar is a tough crack to nut. I asked her out and she said I was less than average.

My cousin's girlfriend is a tough crack to nut. He tried to win her over with pizza and she still said no.

That girl is a tough crack to nut. I tried to flirt with her and she just rolled her eyes.

My neighbor is a tough crack to nut. I asked her to prom and she said I was the worst option.

My teacher is a tough crack to nut. I tried to text her and she said I was too young for her.