Jonah was furious. He lost his temper.
He yelled at God, "God! I knew it - when I was back home, I knew this was going to happen! That's why I ran off to Tarshish! I knew you were sheer grace and mercy, not easily angered, rich in love, and ready at the drop of a hat to turn your plans of punishment into a program of forgiveness!
"So, God, if you won't kill them, kill me! I'm better off dead!"
God said, "What do you have to be angry about?"
But Jonah just left. He went out of the city to the east and sat down in a sulk. He put together a makeshift shelter of leafy branches and sat there in the shade to see what would happen to the city.
God arranged for a broad-leafed tree to spring up. It grew over Jonah to cool him off and get him out of his angry sulk. Jonah was pleased and enjoyed the shade. Life was looking up.
But then God sent a worm. By dawn of the next day, the worm had bored into the shade tree and it withered away.