Little Johnny was out walking …

Little Johnny was out walking with his dad when they came across a couple of dogs mating on the pavement. ‘What are they doing, dad?’ asked Little Johnny. His father was embarrassed, so he said, ‘The dog on top has hurt his paw, and the one underneath is carrying him to the doctor.’ ‘They’re just like people, aren’t they dad?’ said Little Johnny. ‘How do you mean?’ asked his dad. ‘Offer someone a helping hand,’ said Little Johnny, ‘and they fuck you every time!’