'Of course I won't laugh, said the nurse. I'm a professional. In over 20 years I've never laughed at a patient.' 'Okay then, said Fred as he proceeded to drop his trousers, revealing the tiniest 'man thingy' the nurse had ever seen. Length and width, it couldn't have been any bigger than an AAA battery. Unable to control herself, the nurse started giggling, then fell to the floor laughing.