Ya see if you have a massive argument with your wife/gf and at the end you take out your cock and say " want to play bitch (dog ref)" you will get told to Fuck off .......but if she hops on the bed an says "lets play"...you'll be in there in a second ... Why? cos we have that animal instinct because we think with our cocks like a dog ...... Ahhhh I love being a dog