"Oh, of course," I agreed with a sober nod.

Steve thought it appropriate to reply at this point with a sober nod.

He'd meant it for a joke, but Bertha's sober nod said it was indeed a possibility.

A sober nod from the woman, though I can tell the thought of anonymity does not rest well.

"Yes, she has," he conceded with a sober nod of his head.

And was rewarded a moment later with a brief, sober nod of acknowledgment.

Caine considered this a moment, then gave a sober nod.

"I was indeed," he said with a sober nod.

"There is that," Pritchart agreed with a sober nod.

He acknowledged the response with a sober nod.