Sharon felt the softness of her body melt away to leave a hard core, bristling with new muscle. Her complex internal female reproductive system was being radically simplified. Tiresias, she thought, and was unsurprised to look down--no breasts to get in the way!--and see a perfectly normal set of uncircumcised male genitals between his legs.
And not just a male body, he thought, as he cautiously flexed his new muscles, but what a male body! Solidly muscled arms, legs and chest, tight buttocks, a bull-like neck, and yet with agility as well as power. He looked around him, and noticed that he no longer stood in the hotel corridors, but in a shaded opening in a forest, and that on a large tree stump lay a loincloth, a short-sword with belt and scabbard, a small shield, and a bow with a quiver of arrows.
He heard a distant, faintly amused voice "Time to be the hero of your own life."