It's rude to turn someone who's suffering away.
James had just enough money to buy a supersized Big Mac meal when he was approached by a hungry homeless person.
James wants to have a satisfying dinner.
James gave the homeless man half of his dinner money.
James refused to give the homeless man any money, rationalizing that he'd probably use it to buy drugs.
James got a cheaper cheeseburger meal, and felt happy that he'd saved someone from going hungry.
James bought a supersized Big Mac meal, but couldn't stop thinking about the hungry man as he ate.