Titus twitched and jerked, grabbing at the bedsheets. He tried his hardest to hold back but Redheart seemed to be determined. She wanted him to cum, wanted him to fill her at both ends. She wanted him to do this so much that it didn’t matter to her if he needed a moment to rest or not. And, after one last bounce, the doctor got her wish. With one final groan, the young man felt himself erupting. Both of his cocks twitched, firing cum into his mare. Stars exploded across his vision, and he found himself barely able to breath.