I simply think of you, and suddenly I am hard.
I think of the college lecture hall where I first met you, of bending you over the large table at the front of the hall and teaching the assembled pre-med students about a very different type of biology...
I think of binding you, rendering you immobile between the tall pillars, your body vulnerable and unprotected, keeping you on display, your face reddened with embarrassment as you serve as artwork in a museum of kink...
I think of plunging into your ass, pinning you to the floor, My hands clenching yours as I enjoy your tightness, breathing hard into your ear, My eventual orgasm causing Me to jerk and spasm roughly upon you as My cum surges along My length and shoots deep into you...
I think of My teeth grinding a nipple, the pain coursing through your breast, through your chest, through your entire being, sending a flurry of throbbing signals directly to your clitoris as you thrash about and endure the torture because of the bonds which hold you firmly to the bed...