Well the teacher couldn't figure out what Johnnie had in mind for his report on something exciting, so she asked him just what that was. "It's a period," reported Johnnie. "Well I can see that," she said. "But what is so exciting about a period." "Damned if I know," said Johnnie, "but this morning my sister said she missed one.... Then Daddy had a heart attack, Mommy fainted, and the guy next door shot himself!"