all i know is his mouth , his lips scouring mine , his teeth nipping at my lower lip and then the upper , and i can feel his hands too , inching downward and downward , into dangerous territory , to the upper swell of my ass and i do n't know how i 'm tolerating this , how i 'm doing it , how he 's erasing my doubt and my fear and my lack of trust in anyone-especially men-and somehow igniting inside me this ... heat .