My God, she's started writing fic. When should we have the intervention?

Dialogue Snippet:

"...a million years ago, Peri."
"Is that how far we've come back?"
"No. Much farther than that."
"Then why...?"
"It feels like a million years."
"You've been here before?"
"Yes. I've been here before."
"So...where's here?"
"Gallifrey."