Happy Halloween, Skinny!

Jim wasn’t exactly regretting signing up for a personal trainer, but he could not have anticipated all the intense, conflicted feelings he would endure after his first encounter with…Griselda. Even thinking about her name made a strange shiver go up Jim’s spine. He had secretly hoped that his trainer would be a woman, maybe even someone attractive…but Jim had no idea what he was in for. The first time he laid eyes on her, something happened to his brain – and his cock – that he was still having trouble deciphering.

Griselda was huge…huge in every way. Standing at an imposing 6’4, she was definitely the tallest woman Jim had ever seen...or, at least, that he had talked to. At 5’10, and a “respectable” 170 pounds, Jim wasn’t used to women making him feel tiny. But it wasn’t just Griselda’s height that made her imposing. She was one of the most ripped, heavily-muscled people - man or woman - he had ever been around. Jim had a thing for strong women, and even occasionally visited “muscle girl” sites on the internet.

It was one thing, however, to look at a picture of a muscle woman – it was another thing entirely to stand next to one…especially one who was 6’4…and ESPECIALLY one who was 6’4 and being paid to egg him on to lift heavier. In any other situation, Jim would have felt proud of his first-session lifts of a 175 bench press, and a 200 squat. With Griselda standing there, though, with her huge arms crossed over her developed chest, Jim felt positively puny.

“All right, all right!” she had said encouragingly, nodding. “That’s a great place to start, Jim, great place to start! We’ll have you squatting my regular bench reps in no time, haha!”

“H-Hey!” Jim had laughed, secretly loving her teasing but feeling like he needed to stand up for himself, “I…I just got started, after all! Just…just you wait! I’ll be as big as you one day…heh, bigger, even!”

“Mmm I love the approach, Jim,” Griselda had chuckled, extending out a huge hand to his bicep and easily wrapping her fingers all the way around it, giving it a quick squeeze, “But you’ve got a lonnnng way to go. You weigh, what, 170 soaking wet?”

“Uhh…y-yeah,” Jim replied, wondering how she could know so precisely.

“Well I’m 240,” grinned Griselda, standing up to her full height and putting her hands on her hips. “And I only just started going through a cycle of bulks a couple years ago, so really…this is just the beginning for me.”

“Woah!” Jim exclaimed, not even bothering to hide how impressed he was. “Do you…uh…I don’t know…compete, or something?”

“Oh no,” laughed Griselda, shaking her head. “Nothing like that – I just work out because I love being big and strong…oh, and also because I’m a witch. And witches LOVE it when cute little guys like you stare at our muscles…it makes them bigger.”

“Uhh…eheh…eheheheh okay then,” chuckled Jim, having no idea how to respond to what he had just heard. But Griselda cocked her head to the side and shot him such a meaningful, dark-eyed, twinkling smirk, that Jim suddenly wondered if there was actually some kind of truth to what she was saying.

“You think I’m kidding,” she grinned, “But I’m not. The more you think about them, the bigger they’ll get.”

She had paused then, letting her words sink in for a few seconds, before clapping her hands, making Jim jump.

“But enough about all that!” she had laughed, “I’m here to help get YOU stronger! So come on, let’s get to it – pull-ups! Let’s see what your baseline is here…”

Days afterward, Jim had thought over and over what Griselda had told him. He had thought of her gorgeous face as she had cracked that sexy, knowing grin down at him…and really, it was truly unnerving how beautiful of a face she had, considering how jacked her body was. Usually, with muscles like that, Jim would have expected a woman’s face to look more masculine and “anabolic,” but Griselda didn’t have any of that going on. She was drop-dead gorgeous. And 6’4, 240 pounds!? His personal trainer?? It all seemed a bit too good to be true…almost to the point of being weird. Jim was struggling with the oddest notion that he hadn’t found Griselda…rather, that it had been the other way around.

But despite any strange misgivings he had about her, Jim could only go two days after that first session when he looked Griselda up on Instagram and jacked off to her…and again…and again…and again! Her photos didn’t really do her justice, but they were still more than impressive. Poses, insane lifts, and, most thrillingly, size comparisons. Her page was full of posts where she had her biceps flexed next to some other guy’s, or her forearm, or her thigh, or her calf, or her hand…there were too many to count. And each post was accompanied by an amused, braggy caption about how much bigger and stronger she was than whoever she was comparing against. Jim lost count of how many times he blew his load to her posts – and his orgasms were so intense that he was left gasping for breath, staring up at his bedroom ceiling, wondering what on earth had gotten into him. Once again, an odd little idea popped into his head…the idea that, somehow, Griselda was manipulating his jerkoff sessions, infusing them with her energy, just to make him cum even harder. He could almost hear her loud, feminine, booming laugh in his ears.

‘I’ve just…I’ve gotta give this a break!’ Jim thought to himself breathlessly, covered in sweat. He had completely lost a day to his erotic reveries. But, even more than that, Jim was concerned that his jerkoff sessions had opened up his mind to some kind of occult influence – whether malign or playful he had no idea. He felt like Griselda was in his head, looming over him, staring down at him with her beautiful face, arching her eyebrow as she flexed her huge muscles at him…muscles he had made even huger by his erotic attention.

“Psssh, this is…I mean…now I’m just being ridiculous!” Jim laughed to himself out loud, and, for the rest of the day, he resolved not to think about Griselda.

The next day, though, he was scheduled to have his second session with her. Jim briefly thought about the idea of canceling, but really, that was never really going to happen. It was more that he was just intimidated by the thought of seeing her again, especially after blowing his load to her over and over and over.

‘She won’t know,’ he thought to himself that afternoon, getting into his car and driving to the gym. ‘I’ll just play it cool…and anyway, she obviously likes to kid around, so we can just flirt and it’ll be fun!”

On the way to the gym, Jim noticed that the young trick-or-treaters were already out in full force.

‘Oh riiiight,’ he chuckled, ‘It’s Halloween! Huh, funny…uhm…coincidence.’

He couldn’t help but think of Griselda’s “joke” about being a witch. And the closer he got to the gym, the more apprehensive – and excited – he became. More than once he thought about turning around, but he couldn’t…he just couldn’t. And it wasn’t because he thought he was being ridiculous. No – he felt like a powerful force was compelling him forward, a dark force…an erotic force. By the time he arrived at the gym, Jim’s forehead was beaded with sweat, and his heart was beating rapidly in his chest. He took a deep breath, got out of the car, and went inside, almost desperately excited and nervous to see Griselda. Looking around at first, he didn’t see her, and, realizing that he was five minutes early, he went over to a weight rack, set his bag down, and, facing the wall, began doing the warm-up stretches Griselda had taught him earlier in the week. His heart kept racing, racing…as he waited…

“Happy Halloween, Skinny!” boomed a voice…that voice…from behind him. Swallowing the lump in his throat, Jim turned around, and gasped. There she was – Griselda – just as tall as she was before, but her muscles…they were even huger! It was like they had been pumped up, enhanced…amplified…every aspect of her was just BIGGER. Even her hands looked stronger and hardier, if that could even be possible. And, to complete it all, Griselda had donned a witch hat that went strangely well with her whole get-up. She was giving him the “peace” sign as she winked at him, sticking her tongue out to round out the impressive, sexy pose.

“Uh…H-Happy…Halloween!” Jim stammered, his cheeks flushing crimson as his cock hardened instantly. Somehow, he was positive that Griselda knew he was hard…that she knew everything…everything he had done in his bedroom…everything he had thought about her. She just knew.

“N-Nice…nice costume!” he forced out, trying to say something.

“Costume?” Griselda smirked, grinning at him as she arched her eyebrow. “What did I tell you before, Jim? Haha come on, let’s get to it – it’s leg day…and I’m gonna wear you out.”