Dan watched his dad, and then shrugged a little at his question. "I didn't know what... No, who I was seeing and hearing. That's not your voice, you know? I didn't work it out until..." he said and then paused as he forced himself to think.
"Your Dan probably never realized. I didn't know until he," and Dan pointed back out to the living room where the memory was still calling for him, "got out of the pantry."