His balls slapping against my pussy, stimulating my clit as he fucks me, grabbing my nipple with one hand and his other hand on the back of my neck. B...nding over me he bites my shoulder as I feel his body shake and his groin muscles tense up. I feel him explode and blow his load inside of my ass, his cum oozing out as he pulls his cock out of me slowly. We both crumple into a heap on the floor of the shower stall, the warm water still flowing over our sweaty, shaking bodies. We hold each. Blake began drawing the blood sample. The two girls gloved up and knelt down beneath Thunder gazing in awe at his massive penis. Heather asked Dr. Blake how soon she thought it would be before the horse decided to pee so they could get the sample. Dr. Blake told the girls that it might help to use the cleansing rag in the bucket of water by the stall to wash the animals penis as it should stimulate him enough to capture the sample.Jen reached over and grabbed the rag and began swabbing the. I felt like I needed to turn around and run back to my friends. At least with them I was safe and I did not have this fear of possibly dying. Before I had the chance to turn around he grabbed me. He threw me up against the cold brick wall. My body shivered as parts of it hit my back through the breaks in my clothes. He leaned in and bit my neck, causing me to lose my breath. I grabbed a hold of his sides and pulled him closer to me, growling every time he bit or nibbled at my skin. He had me. This wasn’t new territory – we had made out several times in here. But we had always kept our clothes on. I knew that this was merely foreplay. I was eager to find out what came next.Melissa cupped my small breasts in her hand.?I like my new breasts. I wonder how they taste??Melissa stuck out her tongue, and leaned towards my breast. When she touched my nipple with her tongue, the feeling was electric. We were going to have sex. For real.She began licking, gingerly at first, slowly upping the.