Then the princes of the Philistines went forth: and it happened, as often as they went forth, that David behaved himself more wisely than all the servants of Saul; so that his name was much set by.
Though he was just a very young fellow, he was set over a part of the army and these guys respected him so much, of course God's deliverance of the Philistine in his hand, that they just accepted him, but then trouble began to arise.