Anguished Jokes

Some of the things school kids write when they run out of steam while having to go for pass marks during exams make good reading, albeit perhaps painful for the language sticklers. Following are a few quoted "truths" from teacher Richard Lederer's book "More Anguished English":
Migration is a headache birds get when they fly south during winter
the Great Wall of China was built to keep out the Mongrels
the Seventh Commandment was Thou shalt not admit adultery
in Christianity a man can have only one wife. This is called monotony.
I have enjoyed my boyhood so much that I am looking forward to my adultery