she could n't adequately put into words how it felt-anxiety-provoking to lay in his lap at his mercy , shameful to give him control over such a private , forbidden part of her body , arousing to feel nerve endings flicker to life at the stimulation , mounting the burn at her clit in a way she 'd never before experienced ... ... beyond thrilling to feel the tension level leap in ian 's muscles as he fucked her ass with the plug .