Disclaimer: I Do Not Own Doctor Who.
AN: Happy Birthday Azzie.
He loved the taste of freedom and the excitement of never knowing where he'd end up next, but a part of him longed for home.
Not that he'd tell Susan, what was the point of voicing a yearning to go to a place that he'd dragged them both away from.
She missed Gallifrey too, that's why when they landed on earth and she wanted to stay for a while he agreed even letting her attend school.
But they can't stay on earth forever, no matter how much his granddaughter would like to.
Either someone will find out what they are or the time lords will get close to finding them.
So they'll flee and they'll keep doing it.