 Offer your best and trust God for the rest. God knows your best. The boy doesn't look at his lunch as far as we can tell. The boy doesn't look at his little lunch and say, okay, before I give this over to you, I'm going to eat one of the fish and like one and a half of the biscuits and then you can have the rest. He gives it all. And in other places in scripture, we see that it is honoring to God when we give our first and our best to him.