 When Ahab heard this message, he tore his clothing, dressed in burlap, and fasted. He even slept in burlap and went about in mourning, deep mourning. Now, you've probably read that a lot in the Old Testament, the whole wearing burlap and tearing clothes and all of that. It's significant because it's grief. It's about grief, and the tearing of clothes is to remind people that their heart is to be turned toward God.