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When Lockie mouths off in maths class, Mum is called into the office. As usual, Mum blames herself and Lockie wonders if it would be easier for Mum if he was born a girl. Lockie and Egg stare temptation in the face when they find the answers to Old Squasher's mathematics test. Meanwhile, Sarge embarks on a war on sarcasm... that should be successful.