She was not to be deterred from enjoying herself on my dick, but she did pull back from the sucking and concentrated on licking with the tip of her tongue, all of the sensitive spots she could find.She did think that my sperm was indeed addictive but that she thought it was limited to be addictive orally and rubbing it in the skin doesn't seem to be very effective, nor did she think vaginal insertion would have an much of an effect, but she wasn't sure why. She theorized that the high levels of pheromones in my semen was the main culprit causing the addiction but that the pheromones hitting the olfactory glands was not strong enough, but the supplementary gray liquid being produced seemed to make the pheromones much stronger to ones sense of taste, which is why she wanted to send the next sample to an outside lab.When I asked her if she figured out anything else, she paused for a long moment and then released the real kicker. She wasn't sure but from what she experienced with me. My heart is hammering and I'm still not sure I want to go ahead with this, but I put my hands on the bed to steady myself.His hands press on the insides of my thigh. "Open your legs for me, baby." I part my legs wider for him, feeling so vulnerable bent over with my legs splayed apart, feeling kind of slutty and ashamed that he talked me into this, but wanting it anyway, wanting to be a bitch and take it. He's standing between my legs, shoving them farther apart with his strong thighs and rubbing more cool lube between my cheeks. His hand presses harder against the back of my neck, pushing my face down until my cheek is pressed against the comforter.I feel his shaft slide between my cheeks, his stiffness rubbing all upon and down my crack, and try not to moan, try not to give away what a slut I am for him, but I moan anyway as his cockhead rubs up and down against my hole then starts circling it. Oh god, he's pushing his stiffness against my hole and whispering into my ear to relax,.
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