He hears Daenerys say the word "yes", but when combined with the dreamy look on her face and the sound of her voice, Jon's desires turn the word into "more". And so he endeavors to do, moving his mouth faster, his tongue deeper and more firmly. Jon believes he remembers that there's a kind of finish line to this race, but doesn't rightly know what will happen when she gets there.

It does occur to him, though, that it'll be the most pleasing race he's ever seen. The whole mixture of sights and sounds and Daenerys is somewhat taking its toll on him, though. Jon shifts his weight, trying to relieve the hardness that is almost painful.