It's polite to wait for everyone before you eat.
James was at a restaurant with three friends and the waiter brought James' food before anyone else's.
James wants to feel less hungry.
James keeps nibbling on the table's basket of breadsticks until the waiter brings his friends' food.
James starts eating his food while his friends are still waiting for theirs.
Everyone savors their food and offers to trade portions so everyone can try a variety of dishes.
James' friends keep begging him for bites because they're hungry.