Unknown Author
Job 33:20BSB·author unknown

so that he detests his bread, and his soul loathes his favorite food.

Matthew Henry Presbyterian @wholebiblehenry

God has spoken once to sinners by their own consciences, to keep them from the paths of the destroyer, but they perceive it not; they are not aware that the checks their own hearts give them in a sinful way are from God, but they are imputed to melancholy or the preciseness of their education; and therefore God speaks twice; he speaks a second time...

Commenting on Job 33:19-28

John Gill Reformed Baptist @doctorgill

So that his life abhorreth bread,.... Through the force of pain he loses his appetite for food, and even a nausea of it takes place; he loathes it as the most abominable and filthy thing that can be thought of; even bread, so necessary to the support of human life, so strengthening to the heart of man, and what he every day stands in need...

Jamieson-Fausset-Brown Reformed @jfbcommentary

life--that is, the appetite, which ordinarily sustains "life" (Job 38:39; Psa 107:18; Ecc 12:5). The taking away of desire for food by sickness symbolizes the removal by affliction of lust, for things which foster the spiritual fever of pride. soul--desire.