Charles Ellicott Commentary 1 Kings 21:7

"And Jezebel his wife said unto him, Dost thou now govern the kingdom of Israel? arise, and eat bread, and let thy heart be merry: I will give thee the vineyard of Naboth the Jezreelite." — 1 Kings 21:7 (ASV)

Dost thou now. —Jezebel's scorn is, like Lady Macbeth's impatience, expressed in a striking boldness of emphasis. First comes the bitter irony of the question, Dost thou govern the kingdom of Israel, and yet suffer a subject to cross thy will? expressing her scornful wonder at one who “lets I dare not, wait upon I would.”

Then in the invitation, eat bread, and let thine heart be merry, there seems the same half-contemptuous recognition of a self-indulgent weakness of nature. This weakness may be traced in Elijah’s words in 1 Kings 18:41, Get thee up, eat and drink, for there is a sound of abundance of rain. Ahab is fit only to desire and to revel; it is for bolder spirits to act for good or for evil.