Scent was fundamental to intimacy of all kinds as far as pegasi were concerned. Her brain was wired to pick up on his, and over the course of the last few minutes, whether she wanted it to or not, her neurons were remapping themselves to associate all things him with all things mate. She was fine with that…for the record, but needless to say she never would’ve expected the human to indulge her with such a uniquely pegasus practice out of the blue.