Well, that's it then.
All neatly tied off. She's got her parents back, her parents have each other, even Mickey's got something which seems to please him (though heaven only knows what), and both the worlds are safe.
He ought to say goodbye, of course. Sarah Jane's words echo, and he feels an obligation, and he takes the time and trouble to give the girl a few final words. Everything seems to be okay. She'll get over him.
Everything is for the best.
He'll get moving again in just a second.
The TARDIS orbits a dying sun.
Really he will.
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