Why does it hurt so much

She sank deep into his kiss, before letting him manoeuvre her. She was fully pliable to his wishes, and was on her back in moments. "All yours." She agreed softly. All her borrowed time from the moment he had found her, belonged fully to him. Her love for him only swelled and grew until she thought she might burst from it. He kissed her cheek and she made a soft, contented coo. Flicking her own tongue across his muzzle before he moved out of reach. She followed him with her eyes, making soft noises every time he brushed his muzzle against her.

Further, further. Crafting fire in his wake until it burned in a tight ball inside of her. It grew and grew, but didn't reach its peak as he teased her. Taunting her with feathery touches too high and too low. She made soft groaning noises, wiggling her haunches as she tried to trick him into missing his chosen spots and finding another. “Inc.” She groaned at him.

"Speech"