He hadn't watched the transformation last time; she'd gone into her room and returned young and slender and incredibly beautiful. He couldn't take his eyes off her this time, though. The potion crossed her tongue and she swallowed, licking the last droplet off, and her eyes closed. Her lashes darkened and lengthened. Her skin smoothed.
It was smoother than the bubbling transformation of Polyjuice. He could barely see the elements of change, but saw them all like a film in reverse as her body firmed under his hand, her hair tumbled over her shoulders, the lines of her face smoothed into classic beauty.
He always wanted her, but his body surged with heat for this woman. She was his. Nobody else got to see her, or kiss her, or hold her...
"It was amazing," he told her, already working the fastenings loose on her robes, eager to reveal the softness underneath, and he slid off her lap to pull her to her feet. "It's like that guy. With the creation. You're mine, like this. Only mine..." His lips grazed her throat as he pushed at her robes, and they slithered to her feet. "All for me."