Derrick though of his old self and wrinkled his nose. "I really like being this way better, but maybe you could make some changes?"
Hebe grinned and gestured towards the pool. "You know how I do my magic."
He stripped off his ragged clothing without a second thought - even at 15, he was impressively muscled and very well endowed. He also had the start of body hair that would eventually become a red carpet. Hebe nodded in approval as he entered the pool and sat where he had been only minutes before in his original body. "So, what changes would you like made? I will have to take some age from you, for that is how my powers work, but maybe we can keep that fine tool of yours in working order."
Derrick was now rustic enough that mention of his nether parts no longer made him blush. He thought a moment and then said "I'd rather not be all hairy like my brother and father... well, the Scottish ones. And as nice as my tool is, it never hurts to have a bigger one." He grinned. "As for the rest, you did such a nice job of it, you can do whatever other tweaks you like."
Hebe chuckled as she knelt by the bath. "Such a rare invitation! You are quite trusting. Let's see what we can come up with."
She began to rinse Derrick off, dumping water on his head and shoulders. She started running her fingers through his matted, tangled hair, and then over his cheeks and chin. After a moment, he felt roughness as grit began to wash from him, both the honest dirt of his ancient rural lifestyle and the curious silt that came from her magic. She continued her hands down his chest, and he saw the small patch of chest hair already obvious wash off, leaving smooth skin behind. Her palms caress his back and sides, then slipped under the surface.
Derrick's eyes widened as her fingers pressed against his penis and testicles, both swelling with more than normal engorgement. Then she continued down his legs, leaving them as smooth and hairless as the rest of his body.