You then a stud, stallion, horse, is an animal and having heard old Granny offering to make this new self then permanent; forgetting, losing your link for being born a human, as a worthwhile trade?
You ponder for a long moment the offer; hearing to of Granny as prepared to spellbind Red, she becoming for you as your mate, having become a Percheron mare. Her, Red with you as your personal two year endowment for her living beside you, being as her stallion, the two of you breeding daily, and often.
Granny has inspired within you the male animal sense of lust. The love you had for Red did change suddenly to a desire to dominate her, she a mare worthy of you a stallion to own. Your manner of thought about Red as when a mare is of the same you then think of any mare.
Oh, and yet there was a well remembered tale told by your mother, she reminding you often to quell all brutal male style form of passions. As she said, of any male fool enough to begin molesting women or gaining a lust for animals, such a man soon discovers his sense of lust as all consuming.
As when Red was a young woman you cherished her, as if to tell Granny of you love for her granddaughter did you nod as then to agree. As if having decided, requesting of Granny that you would ask of being then permanently, and bodily your real self, being a loving male Percheron stallion!
So why make this trade, as mom reminded often, suggesting you use your brain and not your balls to decide what feels righteous.
As then deciding for Red and of you, she a mare and after two long years of living the beastly lifestyle; molested constantly by you, her stallion. So what then, would she shall turn her desires toward remaining a mare, or again prefer to being a young woman, a witch taught to hold her sexuality in check.
Then for you, that Granny gifting to you the biblical lifespan, you a stallion as virile for 70 years. The very thought of you being as a male equine virile for seventy long years. Your cock as a virtual fencepost its size, that of you as a stallion, a Percheron, yours then the fun sexual delights for decades!
Your bigger, as much enhanced scrotum adding promise of an elegantly sexual existence. The lingering thought of Granny owning you, and you boarded as a Percheron stallion at stud constantly!
Granny said so, as you when permanently a gallant, dappled gray and black Percheron stallion horse, you an animal, then given all the mares your cock would ever want...!
Gone from your life then would pass away the many fun and future enjoyments of a human male. You stiff horse cock then wagging, bumping the furred belly, is so sensual, you masturbate for when mounted over Red, your cock then thrusting.
Mom said often, that too much of anything tends to wane, demean it ability to feel enjoyment. Two years of equine style sex with Red when a mare...?
Two years of doing Red daily, maybe four times during any a day, as that totals 2,920 fucking thrilling's; something for her to endure, might be enough for her to wishing and abandoning her love of you. As what then of you, to living the next 68 years as is a stallion at stud?
Lust feels as fun, but through days, weeks, months of continuous sexual passion, what is wearing as too much of a good thing?