And Amnon was so vexed, that he fell sick for his sister Tamar; for she [was] a virgin; and Amnon thought it hard for him to do any thing to her.
Berean Study Bible (BSB) - 2 Samuel 13:2 >Amnon was sick with frustration over his sister Tamar, for she was a virgin, and it seemed implausible for him to do anything to her.