[He wonders if it's worth it trying to keep up the pretense of having no idea what she's talking about; it's not. She's made it clear she saw him regenerate, and even then he can't regenerate his clothes, so evidence that he's been cut and left with no wounds remains.
He fidgets with one of his sleeves, as if tugging on it will erase that evidence. He scratches his head and shrugs.]
[action]
He fidgets with one of his sleeves, as if tugging on it will erase that evidence. He scratches his head and shrugs.]
Oh. That. It's... kind of a long story.