New Revised Standard Version
He said to him, “O son of the king, why are you so haggard morning after morning? Will you not tell me?” Amnon said to him, “I love Tamar, my brother Absalom’s sister.”

Contemporary English Version
and he said to Amnon, "What's the matter? You're the king's son! You shouldn't have to go around feeling sorry for yourself every morning." Amnon said, "I'm in love with Tamar, my brother Absalom's sister."

New American Bible
He asked him, “Prince, why are you so dejected morning after morning? Why not tell me?” So Amnon said to him, “I am in love with Tamar, my brother Absalom’s sister.”

Douay-Rheims Bible
And he said to him: Why dost thou grow so lean from day to day, O son of the king? why dost thou not tell me the reason of it? And Ammon said to him: I am in love with Thamar the sister of my brother Absalom.

And he said to him: Why dost thou grow so lean from day to day, O son of the king? why dost thou not tell me the reason of it? And Ammon said to him: I am in love with Thamar the sister of my brother Absalom.

Why art

1 Kings 21:7 Then Jezabel, his wife, said to him. Thou art of great authority indeed, and governest well the kingdom of Israel. Arise, and eat bread, and be of good cheer; I will give thee the vineyard of Naboth, the Jezrahelite.

Esther 5:13,14 And whereas I have all these things, I think I have nothing, so long as I see Mardochai the Jew sitting before the king's gate. . . .

Luke 12:32 Fear not, little flock, for it hath pleased your Father to give you a kingdom.

lean [heb] thin

Isaiah 3:9 The shew of their countenance hath answered them: and they have proclaimed abroad their sin as Sodom, and they have not hid it: woe to their souls, for evils are rendered to them.

Jeremiah 8:12 They are confounded, because they have committed abomination: yea rather they are not confounded with confusion, and they have not known how to blush: therefore shall they fall among them that fall; in the time of their visitation they shall fall, saith the Lord.

Micah 7:3 The evil of their hands they call good: the prince requireth, and the judge is for giving: and the great man hath uttered the desire of his soul, and they have troubled it.

my brother

Leviticus 18:9 Thou shalt not uncover the nakedness of thy sister by father or by mother: whether born at home or abroad.

Leviticus 20:17 If any man take his sister, the daughter of his father, or the daughter of his mother, and see her nakedness, and she behold her brother's shame: they have committed a crime. They shall be slain, in the sight of their people, because they have discovered one another's nakedness. And they shall bear their iniquity.