He slouched forward, letting his forelegs sink deeper into the water, enthralled by Zipp's ass. He drew his muzzle closer, huffing in more of her sex's scent. Each time her musk danced across his sinuses, he found his length pulsing again. He had to fight his carnal urges as a stallion to slap his hooves onto those massive cheeks, pull them apart, and dive into her holes.