He remembered that Cape Cod lightkeepers' helpers were not, as a usual thing, supposed to be widely acquainted in college athletic circles.
"I have met him," he stammered.
"But where--" she began; and then, "why, of course! you met him here.

I forgot that he has been your neighbor for three summers." The assistant had forgotten it, too, but he was thankful for the reminder.
"Yes.

Yes, certainly," he said.

She regarded him with a puzzled look.
"It's odd he didn't mention you," she observed.

"He has told me a great deal about the bungalow, and the sea views, and the loneliness and the quaintness of it all.