but then , he 's had the odd bonk with the odd whore over the years , as many men living on the road have , and he could testify that that sort of sex is also not much different than masturbation ; you 're putting it to her just as hard as you can , the sweat pouring off you , and she 's going `` baby-baby-baby , '' and all the time wondering if she ought to gas the car and trying to remember which day is double stamps at the red amp ; white .