"You do?" The Doctor looked at her quizzically, then told her, "Do I get to choose the theme? Because I have ideas, but if you're choosing the theme, then... well..."
"Child of the TARDIS..." his voice trailed off, thoughtfully, then smiled a wistful sort of smile. "I'd forgotten I said that. I like it." Then he laughed at her hair. "I always knew you kept all sorts of secrets in there! That's why your hair is so BIG!"
He maintained his smile for a few moments, then gradually, it started to fade. She needed to know the truth. She deserved the truth. "I saw my death. I'm not talking about my regeneration. I'm talking about my death. I'm wounded and... I refuse to regenerate. I choose to die."