He had not recognized her yet.
She let the silence sit for a moment.
Then she said that sophomore chemistry had been a long time ago.She watched the color leave his face entirely.
His eyes moved from her nameplate to her face, and she saw the exact moment recognition arrived — followed immediately by the collapse of whatever hope he had carried into the room.
He stood abruptly and said he had not known, that he was sorry, that he should not have come. He started for the door.She told him to sit down.