As Abraham Lincoln paced the floor amid the crying of his two young sons, a passing neighbor asked, “What’s the matter with the boys?” “Just what’s the matter with the whole world,” answered Lincoln. “I have three walnuts, and each boy wants two.” Lincoln’s boys were stricken by a bug, says Avery, age 8: “God commanded us not to covet because sometimes if you can’t get it out of your head, it might bug you.” As Honest Abe discovered, the coveting bug disturbs the peace.