It's wrong not to share with your neighbors.
Mary ran out of salt while cooking and sees her neighbor Jim outside grilling steaks.
Mary wants to ask Jim for some salt,.
Jim amiles and offers her his salt shaker.
When Mary asks Jim for some salt, he hides the shaker and says he has none.
Mary feels gratitude and goes out of her way to do something noce for Jim.
Mary will not share things with Jim the next time she sees him.