I do light up when I find some Rose fic. And this is lovely. I am reminded of a line in Bedtime Story that I just reread last night about why the Doctor is afraid to touch Rose now..."

He breathed out a confession, “Oh, she's like fire inside of him, burning him away.”

“She makes him burn?”

“Her touch. Her mouth. He's kissed her, held her pressed hard against him. She pulsed like a sun going nova. So hot. Everywhere. Inside him, in his mind. He can't forget what it felt like. And the thought of it...”