aaah well I will tell you anyway
Postman goes about his duties has a bundle of letters in one hand and a parcel in the other
ding dong on the door
bark bark from big dog inside
bloke anwers the door holding giant German Shepard dog by the collar
postman takes one step back dog lunges and sinks teeth into postmans groin
dog shakes postmans groin violently postman screams and collapses
dog bundled indoors postman staggers to van checks nethers lots and lots of blood drives to hospital loses lots of blood tranfusions, legs and nuts recieve multiple stitches and then postman has 6 months off