There is a surge of Light, pride, and joy from her when he says that she's the only one who can make him laugh that way. That that laugh is HERS, that it is a part of him only she gets to see, is a thrill.

She moans, low, as he teases her. It feels so good! She echoes his actions against his cock, a gentle flick of her tongue. "So good, want more," she gasps, rocks her body a little against his face.