"Stallion! Mike was amazed they would even ask. "I sure don't want to be a mare, and why would I give up the best perk?"
Llandros shrugged. "Certainly one of the better pleasures of being a fine stallion, but also the biggest danger to your identity. For a stallion, mating is an instinctive thing, something that comes from the core of your being. The more you allow that instinct to have control, the more you will find being a stallion is normal. Are you willing to risk letting sexual pleasure pull you into being an actual horse from the rest of your life?"
"Definitely!" Mike could not shake the idea that this was just a very intense game, and he was not going to miss out on his favorite activity.
Llandros nodded. "Very well. Aaron, take this brush. "A grooming brush appeared in the wizard's hand. "Give the centaur a thorough grooming. When you are done, he will be physically a warhorse."