he scissored his fingers around her clitoris , holding it captive as he moved inside her , back and forth , back and forth , the thick , hard length of his penis touching something inside her-her g spot , maybe-god , she did n't know , all she knew was that she was rocketing toward climax so fast she could n't think , then she was coming , hard , her inner muscles milking him , and raw animal sounds of completion were tearing from her throat .