The men of Israel and of Judah arose, and shouted, and pursued the Philistines, until you come to Gai, and to the gates of Ekron. The wounded of the Philistines fell down by the way to Shaaraim, even to Gath, and to Ekron.
And so David's brother Eliab saw David's interest in this thing, and he said to David, "Who's watching over your sheep back there in the wilderness kid? You better get on home in a hurry. I know your heart, you're just-dad probably didn't send you down here. You're just down to see what a war looks like and you go home in a hurry." His big brother is trying to sort of protect him.