You know the real me," she said, stopping to peer up at him. "More than anyone else.
When friends speak overmuch of times gone by, often it's because they sense their present time is turning them from friends to strangers. Long before the moment came to say goodbye, I think, we said goodbye in other words and ways and silences. Then when the moment came for it at last, we didn't say it as should be said by friends. So now at last, dear Mouse, with many, many years between: goodbye.