She can't help it, she loves it when she gets him to coo like that. She matches his grin, tittering as he braces her against the sink, legs parting to welcome him in.

The shudder surprises her as much as it does him. It's too violent to be a reaction to her hands in his hair, too sudden to come from rising excitement. She blinks at him, her expression concerned.

"Are you all right?"