Captain Jack saluted the Doctor and Martha once more before making his way back to Torchwood 3. Martha and the Doctor wistfully watched the world pass them by.
"The year that never was… I don't think I'll ever forget the horrors."
Martha sighed heavily, facing the Doctor.
"I don't think I can leave, Doctor. I just… I've spent all my life wanting to become a doctor and now I have people to look after, my family to look after. They need me. I can't just run off through time and"
"I understand. I'd expect nothing less. Martha Jones, you saved the world."
The Doctor smiled, genuine joy and sadness crossing his features as he looked at his faithful companion.
"One more trip?" He asked, wondering if she'd accept his offer. He could remember a time, not so long ago, when she didn't want to be just a guest. But she was choosing to leave, he thought, so one last trip would be the perfect way to say goodbye.
"No Doctor. I have to be with my family."