3x13 the last of the time lords

Doctor Who Rewatch(3x13) Last of the Time Lords

Right then! Off we go. The open road. There is a burst of star fire right now off the coast of Meta Sigma Folio. Oh, the sky is like oil on water. Fancy a look? Or back in time. We could, I don’t know. Charles the Second? Henry the Eighth? I know! What about Agatha Christie? I’d love to meet Agatha Christie. Bet she’s brilliant— Okay.
“I just can’t
.”
"Yeah.”
“Spent all these years training to be a doctor, now I’ve got people to look after. They saw half of the planet slaughtered and they’re devastated. I can’t leave them.”
“Of course not. Thank you. Martha Jones, you saved the world.”

“Yes I did. I spent a lot of time with you thinking I was second best, but you know what? I am good. You gonna be alright?”
“Always, yeah.”